20304838940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1\times {\mathrm{70157}}^1$

素因数の和:70694

約数の個数: 48

約数和(自身を含む): 44199540000

約数和(自身を除く): 23894701060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 499, 580, 998, 1996, 2495, 4990, 9980, 14471, 28942, 57884, 70157, 72355, 140314, 144710, 280628, 289420, 350785, 701570, 1403140, 2034553, 4069106, 8138212, 10172765, 20345530, 35008343, 40691060, 70016686, 140033372, 175041715, 350083430, 700166860, 1015241947, 2030483894, 4060967788, 5076209735, 10152419470, 20304838940]

約数ペア:

[(1, 20304838940), (2, 10152419470), (4, 5076209735), (5, 4060967788), (10, 2030483894), (20, 1015241947), (29, 700166860), (58, 350083430), (116, 175041715), (145, 140033372), (290, 70016686), (499, 40691060), (580, 35008343), (998, 20345530), (1996, 10172765), (2495, 8138212), (4990, 4069106), (9980, 2034553), (14471, 1403140), (28942, 701570), (57884, 350785), (70157, 289420), (72355, 280628), (140314, 144710)]