20147393938

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1\times {\mathrm{1723}}^1$

素因数の和:2191

約数の個数: 64

約数和(自身を含む): 36285096960

約数和(自身を除く): 16137703022

約数列:

[1, 2, 7, 14, 29, 58, 83, 166, 203, 347, 406, 581, 694, 1162, 1723, 2407, 2429, 3446, 4814, 4858, 10063, 12061, 16849, 20126, 24122, 28801, 33698, 49967, 57602, 70441, 99934, 140882, 143009, 201607, 286018, 349769, 403214, 597881, 699538, 835229, 1001063, 1195762, 1670458, 2002126, 4147261, 4185167, 5846603, 8294522, 8370334, 11693206, 17338549, 29030827, 34677098, 49624123, 58061654, 99248246, 121369843, 242739686, 347368861, 694737722, 1439099567, 2878199134, 10073696969, 20147393938]

約数ペア:

[(1, 20147393938), (2, 10073696969), (7, 2878199134), (14, 1439099567), (29, 694737722), (58, 347368861), (83, 242739686), (166, 121369843), (203, 99248246), (347, 58061654), (406, 49624123), (581, 34677098), (694, 29030827), (1162, 17338549), (1723, 11693206), (2407, 8370334), (2429, 8294522), (3446, 5846603), (4814, 4185167), (4858, 4147261), (10063, 2002126), (12061, 1670458), (16849, 1195762), (20126, 1001063), (24122, 835229), (28801, 699538), (33698, 597881), (49967, 403214), (57602, 349769), (70441, 286018), (99934, 201607), (140882, 143009)]