20312280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3319}}^1$

素因数の和:3353

約数の個数: 96

約数和(自身を含む): 69919200

約数和(自身を除く): 49606920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 2040, 3060, 3319, 6120, 6638, 9957, 13276, 16595, 19914, 26552, 29871, 33190, 39828, 49785, 56423, 59742, 66380, 79656, 99570, 112846, 119484, 132760, 149355, 169269, 199140, 225692, 238968, 282115, 298710, 338538, 398280, 451384, 507807, 564230, 597420, 677076, 846345, 1015614, 1128460, 1194840, 1354152, 1692690, 2031228, 2256920, 2539035, 3385380, 4062456, 5078070, 6770760, 10156140, 20312280]

約数ペア:

[(1, 20312280), (2, 10156140), (3, 6770760), (4, 5078070), (5, 4062456), (6, 3385380), (8, 2539035), (9, 2256920), (10, 2031228), (12, 1692690), (15, 1354152), (17, 1194840), (18, 1128460), (20, 1015614), (24, 846345), (30, 677076), (34, 597420), (36, 564230), (40, 507807), (45, 451384), (51, 398280), (60, 338538), (68, 298710), (72, 282115), (85, 238968), (90, 225692), (102, 199140), (120, 169269), (136, 149355), (153, 132760), (170, 119484), (180, 112846), (204, 99570), (255, 79656), (306, 66380), (340, 59742), (360, 56423), (408, 49785), (510, 39828), (612, 33190), (680, 29871), (765, 26552), (1020, 19914), (1224, 16595), (1530, 13276), (2040, 9957), (3060, 6638), (3319, 6120)]