20237580580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{12917}}^1$

素因数の和:13002

約数の個数: 144

約数和(自身を含む): 52918742016

約数和(自身を除く): 32681161436

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 62, 70, 76, 95, 124, 133, 140, 155, 190, 217, 266, 310, 361, 380, 434, 532, 589, 620, 665, 722, 868, 1085, 1178, 1330, 1444, 1805, 2170, 2356, 2527, 2660, 2945, 3610, 4123, 4340, 5054, 5890, 7220, 8246, 10108, 11191, 11780, 12635, 12917, 16492, 20615, 22382, 25270, 25834, 41230, 44764, 50540, 51668, 55955, 64585, 78337, 82460, 90419, 111910, 129170, 156674, 180838, 223820, 245423, 258340, 313348, 361676, 391685, 400427, 452095, 490846, 783370, 800854, 904190, 981692, 1227115, 1566740, 1601708, 1717961, 1808380, 2002135, 2454230, 2802989, 3435922, 4004270, 4663037, 4908460, 5605978, 6871844, 7608113, 8008540, 8589805, 9326074, 11211956, 14014945, 15216226, 17179610, 18652148, 23315185, 28029890, 30432452, 32641259, 34359220, 38040565, 46630370, 53256791, 56059780, 65282518, 76081130, 93260740, 106513582, 130565036, 144554147, 152162260, 163206295, 213027164, 266283955, 289108294, 326412590, 532567910, 578216588, 652825180, 722770735, 1011879029, 1065135820, 1445541470, 2023758058, 2891082940, 4047516116, 5059395145, 10118790290, 20237580580]

約数ペア:

[(1, 20237580580), (2, 10118790290), (4, 5059395145), (5, 4047516116), (7, 2891082940), (10, 2023758058), (14, 1445541470), (19, 1065135820), (20, 1011879029), (28, 722770735), (31, 652825180), (35, 578216588), (38, 532567910), (62, 326412590), (70, 289108294), (76, 266283955), (95, 213027164), (124, 163206295), (133, 152162260), (140, 144554147), (155, 130565036), (190, 106513582), (217, 93260740), (266, 76081130), (310, 65282518), (361, 56059780), (380, 53256791), (434, 46630370), (532, 38040565), (589, 34359220), (620, 32641259), (665, 30432452), (722, 28029890), (868, 23315185), (1085, 18652148), (1178, 17179610), (1330, 15216226), (1444, 14014945), (1805, 11211956), (2170, 9326074), (2356, 8589805), (2527, 8008540), (2660, 7608113), (2945, 6871844), (3610, 5605978), (4123, 4908460), (4340, 4663037), (5054, 4004270), (5890, 3435922), (7220, 2802989), (8246, 2454230), (10108, 2002135), (11191, 1808380), (11780, 1717961), (12635, 1601708), (12917, 1566740), (16492, 1227115), (20615, 981692), (22382, 904190), (25270, 800854), (25834, 783370), (41230, 490846), (44764, 452095), (50540, 400427), (51668, 391685), (55955, 361676), (64585, 313348), (78337, 258340), (82460, 245423), (90419, 223820), (111910, 180838), (129170, 156674)]