20156162848

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{839}}^1\times {\mathrm{18311}}^1$

素因数の和:19201

約数の個数: 48

約数和(自身を含む): 40700983680

約数和(自身を除く): 20544820832

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 839, 1312, 1678, 3356, 6712, 13424, 18311, 26848, 34399, 36622, 68798, 73244, 137596, 146488, 275192, 292976, 550384, 585952, 750751, 1100768, 1501502, 3003004, 6006008, 12012016, 15362929, 24024032, 30725858, 61451716, 122903432, 245806864, 491613728, 629880089, 1259760178, 2519520356, 5039040712, 10078081424, 20156162848]

約数ペア:

[(1, 20156162848), (2, 10078081424), (4, 5039040712), (8, 2519520356), (16, 1259760178), (32, 629880089), (41, 491613728), (82, 245806864), (164, 122903432), (328, 61451716), (656, 30725858), (839, 24024032), (1312, 15362929), (1678, 12012016), (3356, 6006008), (6712, 3003004), (13424, 1501502), (18311, 1100768), (26848, 750751), (34399, 585952), (36622, 550384), (68798, 292976), (73244, 275192), (137596, 146488)]