20705616

素因数分解:

$2^4\times 3^2\times {\mathrm{53}}^1\times {\mathrm{2713}}^1$

素因数の和:2780

約数の個数: 60

約数和(自身を含む): 59062068

約数和(自身を除く): 38356452

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 53, 72, 106, 144, 159, 212, 318, 424, 477, 636, 848, 954, 1272, 1908, 2544, 2713, 3816, 5426, 7632, 8139, 10852, 16278, 21704, 24417, 32556, 43408, 48834, 65112, 97668, 130224, 143789, 195336, 287578, 390672, 431367, 575156, 862734, 1150312, 1294101, 1725468, 2300624, 2588202, 3450936, 5176404, 6901872, 10352808, 20705616]

約数ペア:

[(1, 20705616), (2, 10352808), (3, 6901872), (4, 5176404), (6, 3450936), (8, 2588202), (9, 2300624), (12, 1725468), (16, 1294101), (18, 1150312), (24, 862734), (36, 575156), (48, 431367), (53, 390672), (72, 287578), (106, 195336), (144, 143789), (159, 130224), (212, 97668), (318, 65112), (424, 48834), (477, 43408), (636, 32556), (848, 24417), (954, 21704), (1272, 16278), (1908, 10852), (2544, 8139), (2713, 7632), (3816, 5426)]