20163763528

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{577}}^1\times {\mathrm{1543}}^1$

素因数の和:2294

約数の個数: 64

約数和(自身を含む): 40159440000

約数和(自身を除く): 19995676472

約数列:

[1, 2, 4, 8, 19, 38, 76, 149, 152, 298, 577, 596, 1154, 1192, 1543, 2308, 2831, 3086, 4616, 5662, 6172, 10963, 11324, 12344, 21926, 22648, 29317, 43852, 58634, 85973, 87704, 117268, 171946, 229907, 234536, 343892, 459814, 687784, 890311, 919628, 1633487, 1780622, 1839256, 3266974, 3561244, 4368233, 6533948, 7122488, 8736466, 13067896, 16915909, 17472932, 33831818, 34945864, 67663636, 132656339, 135327272, 265312678, 530625356, 1061250712, 2520470441, 5040940882, 10081881764, 20163763528]

約数ペア:

[(1, 20163763528), (2, 10081881764), (4, 5040940882), (8, 2520470441), (19, 1061250712), (38, 530625356), (76, 265312678), (149, 135327272), (152, 132656339), (298, 67663636), (577, 34945864), (596, 33831818), (1154, 17472932), (1192, 16915909), (1543, 13067896), (2308, 8736466), (2831, 7122488), (3086, 6533948), (4616, 4368233), (5662, 3561244), (6172, 3266974), (10963, 1839256), (11324, 1780622), (12344, 1633487), (21926, 919628), (22648, 890311), (29317, 687784), (43852, 459814), (58634, 343892), (85973, 234536), (87704, 229907), (117268, 171946)]