20101836944

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{12703}}^1$

素因数の和:12988

約数の個数: 80

約数和(自身を含む): 45368524800

約数和(自身を除く): 25266687856

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 199, 284, 398, 497, 568, 796, 994, 1136, 1393, 1592, 1988, 2786, 3184, 3976, 5572, 7952, 11144, 12703, 14129, 22288, 25406, 28258, 50812, 56516, 88921, 98903, 101624, 113032, 177842, 197806, 203248, 226064, 355684, 395612, 711368, 791224, 901913, 1422736, 1582448, 1803826, 2527897, 3607652, 5055794, 6313391, 7215304, 10111588, 12626782, 14430608, 17695279, 20223176, 25253564, 35390558, 40446352, 50507128, 70781116, 101014256, 141562232, 179480687, 283124464, 358961374, 717922748, 1256364809, 1435845496, 2512729618, 2871690992, 5025459236, 10050918472, 20101836944]

約数ペア:

[(1, 20101836944), (2, 10050918472), (4, 5025459236), (7, 2871690992), (8, 2512729618), (14, 1435845496), (16, 1256364809), (28, 717922748), (56, 358961374), (71, 283124464), (112, 179480687), (142, 141562232), (199, 101014256), (284, 70781116), (398, 50507128), (497, 40446352), (568, 35390558), (796, 25253564), (994, 20223176), (1136, 17695279), (1393, 14430608), (1592, 12626782), (1988, 10111588), (2786, 7215304), (3184, 6313391), (3976, 5055794), (5572, 3607652), (7952, 2527897), (11144, 1803826), (12703, 1582448), (14129, 1422736), (22288, 901913), (25406, 791224), (28258, 711368), (50812, 395612), (56516, 355684), (88921, 226064), (98903, 203248), (101624, 197806), (113032, 177842)]