20161461568

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{1123}}^1\times {\mathrm{9049}}^1$

素因数の和:10215

約数の個数: 56

約数和(自身を含む): 41339820800

約数和(自身を除く): 21178359232

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1123, 1984, 2246, 4492, 8984, 9049, 17968, 18098, 34813, 35936, 36196, 69626, 71872, 72392, 139252, 144784, 278504, 280519, 289568, 557008, 561038, 579136, 1114016, 1122076, 2228032, 2244152, 4488304, 8976608, 10162027, 17953216, 20324054, 40648108, 81296216, 162592432, 315022837, 325184864, 630045674, 650369728, 1260091348, 2520182696, 5040365392, 10080730784, 20161461568]

約数ペア:

[(1, 20161461568), (2, 10080730784), (4, 5040365392), (8, 2520182696), (16, 1260091348), (31, 650369728), (32, 630045674), (62, 325184864), (64, 315022837), (124, 162592432), (248, 81296216), (496, 40648108), (992, 20324054), (1123, 17953216), (1984, 10162027), (2246, 8976608), (4492, 4488304), (8984, 2244152), (9049, 2228032), (17968, 1122076), (18098, 1114016), (34813, 579136), (35936, 561038), (36196, 557008), (69626, 289568), (71872, 280519), (72392, 278504), (139252, 144784)]