20778732

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1531}}^1$

素因数の和:1583

約数の個数: 72

約数和(自身を含む): 58553040

約数和(自身を除く): 37774308

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 29, 36, 39, 52, 58, 78, 87, 116, 117, 156, 174, 234, 261, 348, 377, 468, 522, 754, 1044, 1131, 1508, 1531, 2262, 3062, 3393, 4524, 4593, 6124, 6786, 9186, 13572, 13779, 18372, 19903, 27558, 39806, 44399, 55116, 59709, 79612, 88798, 119418, 133197, 177596, 179127, 238836, 266394, 358254, 399591, 532788, 577187, 716508, 799182, 1154374, 1598364, 1731561, 2308748, 3463122, 5194683, 6926244, 10389366, 20778732]

約数ペア:

[(1, 20778732), (2, 10389366), (3, 6926244), (4, 5194683), (6, 3463122), (9, 2308748), (12, 1731561), (13, 1598364), (18, 1154374), (26, 799182), (29, 716508), (36, 577187), (39, 532788), (52, 399591), (58, 358254), (78, 266394), (87, 238836), (116, 179127), (117, 177596), (156, 133197), (174, 119418), (234, 88798), (261, 79612), (348, 59709), (377, 55116), (468, 44399), (522, 39806), (754, 27558), (1044, 19903), (1131, 18372), (1508, 13779), (1531, 13572), (2262, 9186), (3062, 6786), (3393, 6124), (4524, 4593)]