20369570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{709}}^1$

素因数の和:759

約数の個数: 48

約数和(自身を含む): 42097320

約数和(自身を除く): 21727750

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 169, 170, 221, 338, 442, 709, 845, 1105, 1418, 1690, 2210, 2873, 3545, 5746, 7090, 9217, 12053, 14365, 18434, 24106, 28730, 46085, 60265, 92170, 119821, 120530, 156689, 239642, 313378, 599105, 783445, 1198210, 1566890, 2036957, 4073914, 10184785, 20369570]

約数ペア:

[(1, 20369570), (2, 10184785), (5, 4073914), (10, 2036957), (13, 1566890), (17, 1198210), (26, 783445), (34, 599105), (65, 313378), (85, 239642), (130, 156689), (169, 120530), (170, 119821), (221, 92170), (338, 60265), (442, 46085), (709, 28730), (845, 24106), (1105, 18434), (1418, 14365), (1690, 12053), (2210, 9217), (2873, 7090), (3545, 5746)]