20954077664

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{337}}^1\times {\mathrm{1091}}^1$

素因数の和:1588

約数の個数: 96

約数和(自身を含む): 44924888736

約数和(自身を除く): 23970811072

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 137, 208, 274, 337, 416, 548, 674, 1091, 1096, 1348, 1781, 2182, 2192, 2696, 3562, 4364, 4381, 4384, 5392, 7124, 8728, 8762, 10784, 14183, 14248, 17456, 17524, 28366, 28496, 34912, 35048, 46169, 56732, 56992, 70096, 92338, 113464, 140192, 149467, 184676, 226928, 298934, 367667, 369352, 453856, 597868, 600197, 735334, 738704, 1195736, 1200394, 1470668, 1477408, 1943071, 2391472, 2400788, 2941336, 3886142, 4779671, 4782944, 4801576, 5882672, 7772284, 9559342, 9603152, 11765344, 15544568, 19118684, 19206304, 31089136, 38237368, 50370379, 62178272, 76474736, 100740758, 152949472, 201481516, 402963032, 654814927, 805926064, 1309629854, 1611852128, 2619259708, 5238519416, 10477038832, 20954077664]

約数ペア:

[(1, 20954077664), (2, 10477038832), (4, 5238519416), (8, 2619259708), (13, 1611852128), (16, 1309629854), (26, 805926064), (32, 654814927), (52, 402963032), (104, 201481516), (137, 152949472), (208, 100740758), (274, 76474736), (337, 62178272), (416, 50370379), (548, 38237368), (674, 31089136), (1091, 19206304), (1096, 19118684), (1348, 15544568), (1781, 11765344), (2182, 9603152), (2192, 9559342), (2696, 7772284), (3562, 5882672), (4364, 4801576), (4381, 4782944), (4384, 4779671), (5392, 3886142), (7124, 2941336), (8728, 2400788), (8762, 2391472), (10784, 1943071), (14183, 1477408), (14248, 1470668), (17456, 1200394), (17524, 1195736), (28366, 738704), (28496, 735334), (34912, 600197), (35048, 597868), (46169, 453856), (56732, 369352), (56992, 367667), (70096, 298934), (92338, 226928), (113464, 184676), (140192, 149467)]