20185984180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1597}}^1$

素因数の和:1722

約数の個数: 192

約数和(自身を含む): 48967833600

約数和(自身を除く): 28781849420

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 31, 37, 38, 58, 62, 74, 76, 95, 116, 124, 145, 148, 155, 185, 190, 290, 310, 370, 380, 551, 580, 589, 620, 703, 740, 899, 1073, 1102, 1147, 1178, 1406, 1597, 1798, 2146, 2204, 2294, 2356, 2755, 2812, 2945, 3194, 3515, 3596, 4292, 4495, 4588, 5365, 5510, 5735, 5890, 6388, 7030, 7985, 8990, 10730, 11020, 11470, 11780, 14060, 15970, 17081, 17980, 20387, 21460, 21793, 22940, 30343, 31940, 33263, 34162, 40774, 43586, 46313, 49507, 59089, 60686, 66526, 68324, 81548, 85405, 87172, 92626, 99014, 101935, 108965, 118178, 121372, 133052, 151715, 166315, 170810, 185252, 198028, 203870, 217930, 231565, 236356, 247535, 295445, 303430, 332630, 341620, 407740, 435860, 463130, 495070, 590890, 606860, 631997, 665260, 879947, 926260, 940633, 990140, 1122691, 1181780, 1263994, 1435703, 1713581, 1759894, 1831759, 1881266, 2245382, 2527988, 2871406, 3159985, 3427162, 3519788, 3663518, 3762532, 4399735, 4490764, 4703165, 5613455, 5742812, 6319970, 6854324, 7178515, 7327036, 8567905, 8799470, 9158795, 9406330, 11226910, 12639940, 14357030, 17135810, 17598940, 18317590, 18812660, 22453820, 27278357, 28714060, 32558039, 34271620, 34803421, 36635180, 53121011, 54556714, 65116078, 69606842, 106242022, 109113428, 130232156, 136391785, 139213684, 162790195, 174017105, 212484044, 265605055, 272783570, 325580390, 348034210, 531210110, 545567140, 651160780, 696068420, 1009299209, 1062420220, 2018598418, 4037196836, 5046496045, 10092992090, 20185984180]

約数ペア:

[(1, 20185984180), (2, 10092992090), (4, 5046496045), (5, 4037196836), (10, 2018598418), (19, 1062420220), (20, 1009299209), (29, 696068420), (31, 651160780), (37, 545567140), (38, 531210110), (58, 348034210), (62, 325580390), (74, 272783570), (76, 265605055), (95, 212484044), (116, 174017105), (124, 162790195), (145, 139213684), (148, 136391785), (155, 130232156), (185, 109113428), (190, 106242022), (290, 69606842), (310, 65116078), (370, 54556714), (380, 53121011), (551, 36635180), (580, 34803421), (589, 34271620), (620, 32558039), (703, 28714060), (740, 27278357), (899, 22453820), (1073, 18812660), (1102, 18317590), (1147, 17598940), (1178, 17135810), (1406, 14357030), (1597, 12639940), (1798, 11226910), (2146, 9406330), (2204, 9158795), (2294, 8799470), (2356, 8567905), (2755, 7327036), (2812, 7178515), (2945, 6854324), (3194, 6319970), (3515, 5742812), (3596, 5613455), (4292, 4703165), (4495, 4490764), (4588, 4399735), (5365, 3762532), (5510, 3663518), (5735, 3519788), (5890, 3427162), (6388, 3159985), (7030, 2871406), (7985, 2527988), (8990, 2245382), (10730, 1881266), (11020, 1831759), (11470, 1759894), (11780, 1713581), (14060, 1435703), (15970, 1263994), (17081, 1181780), (17980, 1122691), (20387, 990140), (21460, 940633), (21793, 926260), (22940, 879947), (30343, 665260), (31940, 631997), (33263, 606860), (34162, 590890), (40774, 495070), (43586, 463130), (46313, 435860), (49507, 407740), (59089, 341620), (60686, 332630), (66526, 303430), (68324, 295445), (81548, 247535), (85405, 236356), (87172, 231565), (92626, 217930), (99014, 203870), (101935, 198028), (108965, 185252), (118178, 170810), (121372, 166315), (133052, 151715)]