20153193775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{4229}}^1$

素因数の和:4337

約数の個数: 96

約数和(自身を含む): 31018014720

約数和(自身を除く): 10864820945

約数列:

[1, 5, 11, 13, 25, 31, 43, 55, 65, 143, 155, 215, 275, 325, 341, 403, 473, 559, 715, 775, 1075, 1333, 1705, 2015, 2365, 2795, 3575, 4229, 4433, 6149, 6665, 8525, 10075, 11825, 13975, 14663, 17329, 21145, 22165, 30745, 33325, 46519, 54977, 73315, 86645, 105725, 110825, 131099, 153725, 181847, 190619, 232595, 274885, 366575, 433225, 604747, 655495, 909235, 953095, 1162975, 1374425, 1442089, 1704287, 2000317, 2364011, 3023735, 3277475, 4546175, 4765475, 5637257, 7210445, 8521435, 10001585, 11820055, 15118675, 18747157, 26004121, 28186285, 36052225, 42607175, 50007925, 59100275, 62009827, 73284341, 93735785, 130020605, 140931425, 310049135, 366421705, 468678925, 650103025, 806127751, 1550245675, 1832108525, 4030638755, 20153193775]

約数ペア:

[(1, 20153193775), (5, 4030638755), (11, 1832108525), (13, 1550245675), (25, 806127751), (31, 650103025), (43, 468678925), (55, 366421705), (65, 310049135), (143, 140931425), (155, 130020605), (215, 93735785), (275, 73284341), (325, 62009827), (341, 59100275), (403, 50007925), (473, 42607175), (559, 36052225), (715, 28186285), (775, 26004121), (1075, 18747157), (1333, 15118675), (1705, 11820055), (2015, 10001585), (2365, 8521435), (2795, 7210445), (3575, 5637257), (4229, 4765475), (4433, 4546175), (6149, 3277475), (6665, 3023735), (8525, 2364011), (10075, 2000317), (11825, 1704287), (13975, 1442089), (14663, 1374425), (17329, 1162975), (21145, 953095), (22165, 909235), (30745, 655495), (33325, 604747), (46519, 433225), (54977, 366575), (73315, 274885), (86645, 232595), (105725, 190619), (110825, 181847), (131099, 153725)]