20101664548

素因数分解:

$2^2\times 7^3\times {\mathrm{67}}^1\times {\mathrm{218677}}^1$

素因数の和:218769

約数の個数: 48

約数和(自身を含む): 41636291200

約数和(自身を除く): 21534626652

約数列:

[1, 2, 4, 7, 14, 28, 49, 67, 98, 134, 196, 268, 343, 469, 686, 938, 1372, 1876, 3283, 6566, 13132, 22981, 45962, 91924, 218677, 437354, 874708, 1530739, 3061478, 6122956, 10715173, 14651359, 21430346, 29302718, 42860692, 58605436, 75006211, 102559513, 150012422, 205119026, 300024844, 410238052, 717916591, 1435833182, 2871666364, 5025416137, 10050832274, 20101664548]

約数ペア:

[(1, 20101664548), (2, 10050832274), (4, 5025416137), (7, 2871666364), (14, 1435833182), (28, 717916591), (49, 410238052), (67, 300024844), (98, 205119026), (134, 150012422), (196, 102559513), (268, 75006211), (343, 58605436), (469, 42860692), (686, 29302718), (938, 21430346), (1372, 14651359), (1876, 10715173), (3283, 6122956), (6566, 3061478), (13132, 1530739), (22981, 874708), (45962, 437354), (91924, 218677)]