20130890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9109}}^1$

素因数の和:9146

約数の個数: 32

約数和(自身を含む): 41322960

約数和(自身を除く): 21192070

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 9109, 18218, 45545, 91090, 118417, 154853, 236834, 309706, 592085, 774265, 1184170, 1548530, 2013089, 4026178, 10065445, 20130890]

約数ペア:

[(1, 20130890), (2, 10065445), (5, 4026178), (10, 2013089), (13, 1548530), (17, 1184170), (26, 774265), (34, 592085), (65, 309706), (85, 236834), (130, 154853), (170, 118417), (221, 91090), (442, 45545), (1105, 18218), (2210, 9109)]