20653464

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1249}}^1$

素因数の和:1324

約数の個数: 64

約数和(自身を含む): 56700000

約数和(自身を除く): 36046536

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 53, 78, 104, 106, 156, 159, 212, 312, 318, 424, 636, 689, 1249, 1272, 1378, 2067, 2498, 2756, 3747, 4134, 4996, 5512, 7494, 8268, 9992, 14988, 16237, 16536, 29976, 32474, 48711, 64948, 66197, 97422, 129896, 132394, 194844, 198591, 264788, 389688, 397182, 529576, 794364, 860561, 1588728, 1721122, 2581683, 3442244, 5163366, 6884488, 10326732, 20653464]

約数ペア:

[(1, 20653464), (2, 10326732), (3, 6884488), (4, 5163366), (6, 3442244), (8, 2581683), (12, 1721122), (13, 1588728), (24, 860561), (26, 794364), (39, 529576), (52, 397182), (53, 389688), (78, 264788), (104, 198591), (106, 194844), (156, 132394), (159, 129896), (212, 97422), (312, 66197), (318, 64948), (424, 48711), (636, 32474), (689, 29976), (1249, 16536), (1272, 16237), (1378, 14988), (2067, 9992), (2498, 8268), (2756, 7494), (3747, 5512), (4134, 4996)]