20185548136

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1\times {\mathrm{491}}^1$

素因数の和:899

約数の個数: 128

約数和(自身を含む): 43369603200

約数和(自身を除く): 23184055064

約数列:

[1, 2, 4, 8, 13, 26, 29, 43, 52, 58, 86, 104, 116, 172, 232, 317, 344, 377, 491, 559, 634, 754, 982, 1118, 1247, 1268, 1508, 1964, 2236, 2494, 2536, 3016, 3928, 4121, 4472, 4988, 6383, 8242, 9193, 9976, 12766, 13631, 14239, 16211, 16484, 18386, 21113, 25532, 27262, 28478, 32422, 32968, 36772, 42226, 51064, 54524, 56956, 64844, 73544, 84452, 109048, 113912, 119509, 129688, 155647, 168904, 177203, 185107, 239018, 274469, 311294, 354406, 370214, 395299, 478036, 548938, 612277, 622588, 708812, 740428, 790598, 956072, 1097876, 1224554, 1245176, 1417624, 1480856, 1581196, 2023411, 2195752, 2449108, 3162392, 4046822, 4513763, 4898216, 5138887, 6692821, 7959601, 8093644, 9027526, 10277774, 13385642, 15919202, 16187288, 18055052, 20555548, 26771284, 31838404, 36110104, 41111096, 53542568, 58678919, 63676808, 87006673, 117357838, 174013346, 194091809, 234715676, 348026692, 388183618, 469431352, 696053384, 776367236, 1552734472, 2523193517, 5046387034, 10092774068, 20185548136]

約数ペア:

[(1, 20185548136), (2, 10092774068), (4, 5046387034), (8, 2523193517), (13, 1552734472), (26, 776367236), (29, 696053384), (43, 469431352), (52, 388183618), (58, 348026692), (86, 234715676), (104, 194091809), (116, 174013346), (172, 117357838), (232, 87006673), (317, 63676808), (344, 58678919), (377, 53542568), (491, 41111096), (559, 36110104), (634, 31838404), (754, 26771284), (982, 20555548), (1118, 18055052), (1247, 16187288), (1268, 15919202), (1508, 13385642), (1964, 10277774), (2236, 9027526), (2494, 8093644), (2536, 7959601), (3016, 6692821), (3928, 5138887), (4121, 4898216), (4472, 4513763), (4988, 4046822), (6383, 3162392), (8242, 2449108), (9193, 2195752), (9976, 2023411), (12766, 1581196), (13631, 1480856), (14239, 1417624), (16211, 1245176), (16484, 1224554), (18386, 1097876), (21113, 956072), (25532, 790598), (27262, 740428), (28478, 708812), (32422, 622588), (32968, 612277), (36772, 548938), (42226, 478036), (51064, 395299), (54524, 370214), (56956, 354406), (64844, 311294), (73544, 274469), (84452, 239018), (109048, 185107), (113912, 177203), (119509, 168904), (129688, 155647)]