20178580044

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{379}}^1\times {\mathrm{90547}}^1$

素因数の和:90947

約数の個数: 72

約数和(自身を含む): 54915551040

約数和(自身を除く): 34736970996

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 379, 588, 758, 1137, 1516, 2274, 2653, 4548, 5306, 7959, 10612, 15918, 18571, 31836, 37142, 55713, 74284, 90547, 111426, 181094, 222852, 271641, 362188, 543282, 633829, 1086564, 1267658, 1901487, 2535316, 3802974, 4436803, 7605948, 8873606, 13310409, 17747212, 26620818, 34317313, 53241636, 68634626, 102951939, 137269252, 205903878, 240221191, 411807756, 480442382, 720663573, 960884764, 1441327146, 1681548337, 2882654292, 3363096674, 5044645011, 6726193348, 10089290022, 20178580044]

約数ペア:

[(1, 20178580044), (2, 10089290022), (3, 6726193348), (4, 5044645011), (6, 3363096674), (7, 2882654292), (12, 1681548337), (14, 1441327146), (21, 960884764), (28, 720663573), (42, 480442382), (49, 411807756), (84, 240221191), (98, 205903878), (147, 137269252), (196, 102951939), (294, 68634626), (379, 53241636), (588, 34317313), (758, 26620818), (1137, 17747212), (1516, 13310409), (2274, 8873606), (2653, 7605948), (4548, 4436803), (5306, 3802974), (7959, 2535316), (10612, 1901487), (15918, 1267658), (18571, 1086564), (31836, 633829), (37142, 543282), (55713, 362188), (74284, 271641), (90547, 222852), (111426, 181094)]