20512222016

素因数分解:

$2^6\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{18523}}^1$

素因数の和:18581

約数の個数: 112

約数和(自身を含む): 48217823808

約数和(自身を除く): 27705601792

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 121, 143, 176, 208, 242, 286, 352, 416, 484, 572, 704, 832, 968, 1144, 1331, 1573, 1936, 2288, 2662, 3146, 3872, 4576, 5324, 6292, 7744, 9152, 10648, 12584, 17303, 18523, 21296, 25168, 34606, 37046, 42592, 50336, 69212, 74092, 85184, 100672, 138424, 148184, 203753, 240799, 276848, 296368, 407506, 481598, 553696, 592736, 815012, 963196, 1107392, 1185472, 1630024, 1926392, 2241283, 2648789, 3260048, 3852784, 4482566, 5297578, 6520096, 7705568, 8965132, 10595156, 13040192, 15411136, 17930264, 21190312, 24654113, 29136679, 35860528, 42380624, 49308226, 58273358, 71721056, 84761248, 98616452, 116546716, 143442112, 169522496, 197232904, 233093432, 320503469, 394465808, 466186864, 641006938, 788931616, 932373728, 1282013876, 1577863232, 1864747456, 2564027752, 5128055504, 10256111008, 20512222016]

約数ペア:

[(1, 20512222016), (2, 10256111008), (4, 5128055504), (8, 2564027752), (11, 1864747456), (13, 1577863232), (16, 1282013876), (22, 932373728), (26, 788931616), (32, 641006938), (44, 466186864), (52, 394465808), (64, 320503469), (88, 233093432), (104, 197232904), (121, 169522496), (143, 143442112), (176, 116546716), (208, 98616452), (242, 84761248), (286, 71721056), (352, 58273358), (416, 49308226), (484, 42380624), (572, 35860528), (704, 29136679), (832, 24654113), (968, 21190312), (1144, 17930264), (1331, 15411136), (1573, 13040192), (1936, 10595156), (2288, 8965132), (2662, 7705568), (3146, 6520096), (3872, 5297578), (4576, 4482566), (5324, 3852784), (6292, 3260048), (7744, 2648789), (9152, 2241283), (10648, 1926392), (12584, 1630024), (17303, 1185472), (18523, 1107392), (21296, 963196), (25168, 815012), (34606, 592736), (37046, 553696), (42592, 481598), (50336, 407506), (69212, 296368), (74092, 276848), (85184, 240799), (100672, 203753), (138424, 148184)]