20121479060

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{461}}^1\times {\mathrm{10343}}^1$

素因数の和:11024

約数の個数: 48

約数和(自身を含む): 42551574912

約数和(自身を除く): 22430095852

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 461, 844, 922, 1055, 1844, 2110, 2305, 4220, 4610, 9220, 10343, 20686, 41372, 51715, 97271, 103430, 194542, 206860, 389084, 486355, 972710, 1945420, 2182373, 4364746, 4768123, 8729492, 9536246, 10911865, 19072492, 21823730, 23840615, 43647460, 47681230, 95362460, 1006073953, 2012147906, 4024295812, 5030369765, 10060739530, 20121479060]

約数ペア:

[(1, 20121479060), (2, 10060739530), (4, 5030369765), (5, 4024295812), (10, 2012147906), (20, 1006073953), (211, 95362460), (422, 47681230), (461, 43647460), (844, 23840615), (922, 21823730), (1055, 19072492), (1844, 10911865), (2110, 9536246), (2305, 8729492), (4220, 4768123), (4610, 4364746), (9220, 2182373), (10343, 1945420), (20686, 972710), (41372, 486355), (51715, 389084), (97271, 206860), (103430, 194542)]