20199559312

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{491}}^1\times {\mathrm{88663}}^1$

素因数の和:89191

約数の個数: 40

約数和(自身を含む): 40569099840

約数和(自身を除く): 20369540528

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 491, 982, 1964, 3928, 7856, 14239, 28478, 56956, 88663, 113912, 177326, 227824, 354652, 709304, 1418608, 2571227, 5142454, 10284908, 20569816, 41139632, 43533533, 87067066, 174134132, 348268264, 696536528, 1262472457, 2524944914, 5049889828, 10099779656, 20199559312]

約数ペア:

[(1, 20199559312), (2, 10099779656), (4, 5049889828), (8, 2524944914), (16, 1262472457), (29, 696536528), (58, 348268264), (116, 174134132), (232, 87067066), (464, 43533533), (491, 41139632), (982, 20569816), (1964, 10284908), (3928, 5142454), (7856, 2571227), (14239, 1418608), (28478, 709304), (56956, 354652), (88663, 227824), (113912, 177326)]