20101084420

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{461}}^1\times {\mathrm{26267}}^1$

素因数の和:26820

約数の個数: 48

約数和(自身を含む): 42815158848

約数和(自身を除く): 22714074428

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 461, 830, 922, 1660, 1844, 2305, 4610, 9220, 26267, 38263, 52534, 76526, 105068, 131335, 153052, 191315, 262670, 382630, 525340, 765260, 2180161, 4360322, 8720644, 10900805, 12109087, 21801610, 24218174, 43603220, 48436348, 60545435, 121090870, 242181740, 1005054221, 2010108442, 4020216884, 5025271105, 10050542210, 20101084420]

約数ペア:

[(1, 20101084420), (2, 10050542210), (4, 5025271105), (5, 4020216884), (10, 2010108442), (20, 1005054221), (83, 242181740), (166, 121090870), (332, 60545435), (415, 48436348), (461, 43603220), (830, 24218174), (922, 21801610), (1660, 12109087), (1844, 10900805), (2305, 8720644), (4610, 4360322), (9220, 2180161), (26267, 765260), (38263, 525340), (52534, 382630), (76526, 262670), (105068, 191315), (131335, 153052)]