20599693960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1\times {\mathrm{24109}}^1$

素因数の和:24682

約数の個数: 64

約数和(自身を含む): 47572887600

約数和(自身を除く): 26973193640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 521, 820, 1042, 1640, 2084, 2605, 4168, 5210, 10420, 20840, 21361, 24109, 42722, 48218, 85444, 96436, 106805, 120545, 170888, 192872, 213610, 241090, 427220, 482180, 854440, 964360, 988469, 1976938, 3953876, 4942345, 7907752, 9884690, 12560789, 19769380, 25121578, 39538760, 50243156, 62803945, 100486312, 125607890, 251215780, 502431560, 514992349, 1029984698, 2059969396, 2574961745, 4119938792, 5149923490, 10299846980, 20599693960]

約数ペア:

[(1, 20599693960), (2, 10299846980), (4, 5149923490), (5, 4119938792), (8, 2574961745), (10, 2059969396), (20, 1029984698), (40, 514992349), (41, 502431560), (82, 251215780), (164, 125607890), (205, 100486312), (328, 62803945), (410, 50243156), (521, 39538760), (820, 25121578), (1042, 19769380), (1640, 12560789), (2084, 9884690), (2605, 7907752), (4168, 4942345), (5210, 3953876), (10420, 1976938), (20840, 988469), (21361, 964360), (24109, 854440), (42722, 482180), (48218, 427220), (85444, 241090), (96436, 213610), (106805, 192872), (120545, 170888)]