20105444775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{62299}}^1$

素因数の和:62656

約数の個数: 48

約数和(自身を含む): 35906729600

約数和(自身を除く): 15801284825

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 331, 975, 993, 1655, 4303, 4965, 8275, 12909, 21515, 24825, 62299, 64545, 107575, 186897, 311495, 322725, 809887, 934485, 1557475, 2429661, 4049435, 4672425, 12148305, 20247175, 20620969, 60741525, 61862907, 103104845, 268072597, 309314535, 515524225, 804217791, 1340362985, 1546572675, 4021088955, 6701814925, 20105444775]

約数ペア:

[(1, 20105444775), (3, 6701814925), (5, 4021088955), (13, 1546572675), (15, 1340362985), (25, 804217791), (39, 515524225), (65, 309314535), (75, 268072597), (195, 103104845), (325, 61862907), (331, 60741525), (975, 20620969), (993, 20247175), (1655, 12148305), (4303, 4672425), (4965, 4049435), (8275, 2429661), (12909, 1557475), (21515, 934485), (24825, 809887), (62299, 322725), (64545, 311495), (107575, 186897)]