20164165060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{711509}}^1$

素因数の和:711640

約数の個数: 48

約数和(自身を含む): 46020466800

約数和(自身を除く): 25856301740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 1090, 1417, 2180, 2834, 5668, 7085, 14170, 28340, 711509, 1423018, 2846036, 3557545, 7115090, 9249617, 14230180, 18499234, 36998468, 46248085, 77554481, 92496170, 155108962, 184992340, 310217924, 387772405, 775544810, 1008208253, 1551089620, 2016416506, 4032833012, 5041041265, 10082082530, 20164165060]

約数ペア:

[(1, 20164165060), (2, 10082082530), (4, 5041041265), (5, 4032833012), (10, 2016416506), (13, 1551089620), (20, 1008208253), (26, 775544810), (52, 387772405), (65, 310217924), (109, 184992340), (130, 155108962), (218, 92496170), (260, 77554481), (436, 46248085), (545, 36998468), (1090, 18499234), (1417, 14230180), (2180, 9249617), (2834, 7115090), (5668, 3557545), (7085, 2846036), (14170, 1423018), (28340, 711509)]