20486790

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3299}}^1$

素因数の和:3338

約数の個数: 64

約数和(自身を含む): 57024000

約数和(自身を除く): 36537210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 90, 115, 135, 138, 207, 230, 270, 345, 414, 621, 690, 1035, 1242, 2070, 3105, 3299, 6210, 6598, 9897, 16495, 19794, 29691, 32990, 49485, 59382, 75877, 89073, 98970, 148455, 151754, 178146, 227631, 296910, 379385, 445365, 455262, 682893, 758770, 890730, 1138155, 1365786, 2048679, 2276310, 3414465, 4097358, 6828930, 10243395, 20486790]

約数ペア:

[(1, 20486790), (2, 10243395), (3, 6828930), (5, 4097358), (6, 3414465), (9, 2276310), (10, 2048679), (15, 1365786), (18, 1138155), (23, 890730), (27, 758770), (30, 682893), (45, 455262), (46, 445365), (54, 379385), (69, 296910), (90, 227631), (115, 178146), (135, 151754), (138, 148455), (207, 98970), (230, 89073), (270, 75877), (345, 59382), (414, 49485), (621, 32990), (690, 29691), (1035, 19794), (1242, 16495), (2070, 9897), (3105, 6598), (3299, 6210)]