20177091675

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{17117}}^1$

素因数の和:17190

約数の個数: 108

約数和(自身を含む): 40397932224

約数和(自身を除く): 20220840549

約数列:

[1, 3, 5, 9, 13, 15, 25, 31, 39, 45, 65, 75, 93, 117, 155, 169, 195, 225, 279, 325, 403, 465, 507, 585, 775, 845, 975, 1209, 1395, 1521, 2015, 2325, 2535, 2925, 3627, 4225, 5239, 6045, 6975, 7605, 10075, 12675, 15717, 17117, 18135, 26195, 30225, 38025, 47151, 51351, 78585, 85585, 90675, 130975, 154053, 222521, 235755, 256755, 392925, 427925, 530627, 667563, 770265, 1112605, 1178775, 1283775, 1591881, 2002689, 2653135, 2892773, 3337815, 3851325, 4775643, 5563025, 6898151, 7959405, 8678319, 10013445, 13265675, 14463865, 16689075, 20694453, 23878215, 26034957, 34490755, 39797025, 43391595, 50067225, 62083359, 72319325, 89675963, 103472265, 119391075, 130174785, 172453775, 216957975, 269027889, 310416795, 448379815, 517361325, 650873925, 807083667, 1345139445, 1552083975, 2241899075, 4035418335, 6725697225, 20177091675]

約数ペア:

[(1, 20177091675), (3, 6725697225), (5, 4035418335), (9, 2241899075), (13, 1552083975), (15, 1345139445), (25, 807083667), (31, 650873925), (39, 517361325), (45, 448379815), (65, 310416795), (75, 269027889), (93, 216957975), (117, 172453775), (155, 130174785), (169, 119391075), (195, 103472265), (225, 89675963), (279, 72319325), (325, 62083359), (403, 50067225), (465, 43391595), (507, 39797025), (585, 34490755), (775, 26034957), (845, 23878215), (975, 20694453), (1209, 16689075), (1395, 14463865), (1521, 13265675), (2015, 10013445), (2325, 8678319), (2535, 7959405), (2925, 6898151), (3627, 5563025), (4225, 4775643), (5239, 3851325), (6045, 3337815), (6975, 2892773), (7605, 2653135), (10075, 2002689), (12675, 1591881), (15717, 1283775), (17117, 1178775), (18135, 1112605), (26195, 770265), (30225, 667563), (38025, 530627), (47151, 427925), (51351, 392925), (78585, 256755), (85585, 235755), (90675, 222521), (130975, 154053)]