20110257495

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{4481}}^1$

素因数の和:4721

約数の個数: 96

約数和(自身を含む): 38175883200

約数和(自身を除く): 18065625705

約数列:

[1, 3, 5, 9, 15, 19, 29, 45, 57, 87, 95, 145, 171, 181, 261, 285, 435, 543, 551, 855, 905, 1305, 1629, 1653, 2715, 2755, 3439, 4481, 4959, 5249, 8145, 8265, 10317, 13443, 15747, 17195, 22405, 24795, 26245, 30951, 40329, 47241, 51585, 67215, 78735, 85139, 99731, 129949, 154755, 201645, 236205, 255417, 299193, 389847, 425695, 498655, 649745, 766251, 811061, 897579, 1169541, 1277085, 1495965, 1949235, 2433183, 2469031, 3831255, 4055305, 4487895, 5847705, 7299549, 7407093, 12165915, 12345155, 15410159, 22221279, 23520769, 36497745, 37035465, 46230477, 70562307, 77050795, 111106395, 117603845, 138691431, 211686921, 231152385, 352811535, 446894611, 693457155, 1058434605, 1340683833, 2234473055, 4022051499, 6703419165, 20110257495]

約数ペア:

[(1, 20110257495), (3, 6703419165), (5, 4022051499), (9, 2234473055), (15, 1340683833), (19, 1058434605), (29, 693457155), (45, 446894611), (57, 352811535), (87, 231152385), (95, 211686921), (145, 138691431), (171, 117603845), (181, 111106395), (261, 77050795), (285, 70562307), (435, 46230477), (543, 37035465), (551, 36497745), (855, 23520769), (905, 22221279), (1305, 15410159), (1629, 12345155), (1653, 12165915), (2715, 7407093), (2755, 7299549), (3439, 5847705), (4481, 4487895), (4959, 4055305), (5249, 3831255), (8145, 2469031), (8265, 2433183), (10317, 1949235), (13443, 1495965), (15747, 1277085), (17195, 1169541), (22405, 897579), (24795, 811061), (26245, 766251), (30951, 649745), (40329, 498655), (47241, 425695), (51585, 389847), (67215, 299193), (78735, 255417), (85139, 236205), (99731, 201645), (129949, 154755)]