20137053160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{62701}}^1$

素因数の和:62787

約数の個数: 128

約数和(自身を含む): 54896855040

約数和(自身を除く): 34759801880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 37, 40, 56, 62, 70, 74, 124, 140, 148, 155, 185, 217, 248, 259, 280, 296, 310, 370, 434, 518, 620, 740, 868, 1036, 1085, 1147, 1240, 1295, 1480, 1736, 2072, 2170, 2294, 2590, 4340, 4588, 5180, 5735, 8029, 8680, 9176, 10360, 11470, 16058, 22940, 32116, 40145, 45880, 62701, 64232, 80290, 125402, 160580, 250804, 313505, 321160, 438907, 501608, 627010, 877814, 1254020, 1755628, 1943731, 2194535, 2319937, 2508040, 3511256, 3887462, 4389070, 4639874, 7774924, 8778140, 9279748, 9718655, 11599685, 13606117, 15549848, 16239559, 17556280, 18559496, 19437310, 23199370, 27212234, 32479118, 38874620, 46398740, 54424468, 64958236, 68030585, 71918047, 77749240, 81197795, 92797480, 108848936, 129916472, 136061170, 143836094, 162395590, 272122340, 287672188, 324791180, 359590235, 503426329, 544244680, 575344376, 649582360, 719180470, 1006852658, 1438360940, 2013705316, 2517131645, 2876721880, 4027410632, 5034263290, 10068526580, 20137053160]

約数ペア:

[(1, 20137053160), (2, 10068526580), (4, 5034263290), (5, 4027410632), (7, 2876721880), (8, 2517131645), (10, 2013705316), (14, 1438360940), (20, 1006852658), (28, 719180470), (31, 649582360), (35, 575344376), (37, 544244680), (40, 503426329), (56, 359590235), (62, 324791180), (70, 287672188), (74, 272122340), (124, 162395590), (140, 143836094), (148, 136061170), (155, 129916472), (185, 108848936), (217, 92797480), (248, 81197795), (259, 77749240), (280, 71918047), (296, 68030585), (310, 64958236), (370, 54424468), (434, 46398740), (518, 38874620), (620, 32479118), (740, 27212234), (868, 23199370), (1036, 19437310), (1085, 18559496), (1147, 17556280), (1240, 16239559), (1295, 15549848), (1480, 13606117), (1736, 11599685), (2072, 9718655), (2170, 9279748), (2294, 8778140), (2590, 7774924), (4340, 4639874), (4588, 4389070), (5180, 3887462), (5735, 3511256), (8029, 2508040), (8680, 2319937), (9176, 2194535), (10360, 1943731), (11470, 1755628), (16058, 1254020), (22940, 877814), (32116, 627010), (40145, 501608), (45880, 438907), (62701, 321160), (64232, 313505), (80290, 250804), (125402, 160580)]