20123701895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:369

約数の個数: 128

約数和(自身を含む): 29903385600

約数和(自身を除く): 9779683705

約数列:

[1, 5, 11, 19, 29, 37, 55, 95, 131, 137, 145, 185, 209, 319, 407, 551, 655, 685, 703, 1045, 1073, 1441, 1507, 1595, 2035, 2489, 2603, 2755, 3515, 3799, 3973, 4847, 5069, 5365, 6061, 7205, 7535, 7733, 11803, 12445, 13015, 17947, 18995, 19865, 20387, 24235, 25345, 27379, 28633, 30305, 38665, 41789, 43703, 53317, 55759, 59015, 72181, 75487, 89735, 92093, 96311, 101935, 136895, 140563, 143165, 147001, 197417, 208945, 218515, 224257, 266585, 278795, 340993, 360905, 377435, 460465, 481555, 520463, 664039, 702815, 735005, 793991, 830357, 987085, 1013023, 1059421, 1121285, 1546193, 1617011, 1704965, 2602315, 2670697, 2793019, 3320195, 3750923, 3969955, 4151785, 5065115, 5297105, 5725093, 7304429, 7730965, 8085055, 9888797, 12616741, 13353485, 13965095, 18754615, 19257131, 28625465, 29377667, 30723209, 36522145, 49443985, 63083705, 96285655, 108776767, 138784151, 146888335, 153616045, 211828441, 365885489, 543883835, 693920755, 1059142205, 1829427445, 4024740379, 20123701895]

約数ペア:

[(1, 20123701895), (5, 4024740379), (11, 1829427445), (19, 1059142205), (29, 693920755), (37, 543883835), (55, 365885489), (95, 211828441), (131, 153616045), (137, 146888335), (145, 138784151), (185, 108776767), (209, 96285655), (319, 63083705), (407, 49443985), (551, 36522145), (655, 30723209), (685, 29377667), (703, 28625465), (1045, 19257131), (1073, 18754615), (1441, 13965095), (1507, 13353485), (1595, 12616741), (2035, 9888797), (2489, 8085055), (2603, 7730965), (2755, 7304429), (3515, 5725093), (3799, 5297105), (3973, 5065115), (4847, 4151785), (5069, 3969955), (5365, 3750923), (6061, 3320195), (7205, 2793019), (7535, 2670697), (7733, 2602315), (11803, 1704965), (12445, 1617011), (13015, 1546193), (17947, 1121285), (18995, 1059421), (19865, 1013023), (20387, 987085), (24235, 830357), (25345, 793991), (27379, 735005), (28633, 702815), (30305, 664039), (38665, 520463), (41789, 481555), (43703, 460465), (53317, 377435), (55759, 360905), (59015, 340993), (72181, 278795), (75487, 266585), (89735, 224257), (92093, 218515), (96311, 208945), (101935, 197417), (136895, 147001), (140563, 143165)]