20664135648

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^2\times {\mathrm{424559}}^1$

素因数の和:424601

約数の個数: 108

約数和(自身を含む): 63631779120

約数和(自身を除く): 42967643472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 169, 208, 234, 288, 312, 338, 416, 468, 507, 624, 676, 936, 1014, 1248, 1352, 1521, 1872, 2028, 2704, 3042, 3744, 4056, 5408, 6084, 8112, 12168, 16224, 24336, 48672, 424559, 849118, 1273677, 1698236, 2547354, 3396472, 3821031, 5094708, 5519267, 6792944, 7642062, 10189416, 11038534, 13585888, 15284124, 16557801, 20378832, 22077068, 30568248, 33115602, 40757664, 44154136, 49673403, 61136496, 66231204, 71750471, 88308272, 99346806, 122272992, 132462408, 143500942, 176616544, 198693612, 215251413, 264924816, 287001884, 397387224, 430502826, 529849632, 574003768, 645754239, 794774448, 861005652, 1148007536, 1291508478, 1589548896, 1722011304, 2296015072, 2583016956, 3444022608, 5166033912, 6888045216, 10332067824, 20664135648]

約数ペア:

[(1, 20664135648), (2, 10332067824), (3, 6888045216), (4, 5166033912), (6, 3444022608), (8, 2583016956), (9, 2296015072), (12, 1722011304), (13, 1589548896), (16, 1291508478), (18, 1148007536), (24, 861005652), (26, 794774448), (32, 645754239), (36, 574003768), (39, 529849632), (48, 430502826), (52, 397387224), (72, 287001884), (78, 264924816), (96, 215251413), (104, 198693612), (117, 176616544), (144, 143500942), (156, 132462408), (169, 122272992), (208, 99346806), (234, 88308272), (288, 71750471), (312, 66231204), (338, 61136496), (416, 49673403), (468, 44154136), (507, 40757664), (624, 33115602), (676, 30568248), (936, 22077068), (1014, 20378832), (1248, 16557801), (1352, 15284124), (1521, 13585888), (1872, 11038534), (2028, 10189416), (2704, 7642062), (3042, 6792944), (3744, 5519267), (4056, 5094708), (5408, 3821031), (6084, 3396472), (8112, 2547354), (12168, 1698236), (16224, 1273677), (24336, 849118), (48672, 424559)]