20171890430

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{275309}}^1$

素因数の和:275764

約数の個数: 32

約数和(自身を含む): 38534590080

約数和(自身を除く): 18362699650

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 431, 862, 2155, 4310, 7327, 14654, 36635, 73270, 275309, 550618, 1376545, 2753090, 4680253, 9360506, 23401265, 46802530, 118658179, 237316358, 593290895, 1186581790, 2017189043, 4034378086, 10085945215, 20171890430]

約数ペア:

[(1, 20171890430), (2, 10085945215), (5, 4034378086), (10, 2017189043), (17, 1186581790), (34, 593290895), (85, 237316358), (170, 118658179), (431, 46802530), (862, 23401265), (2155, 9360506), (4310, 4680253), (7327, 2753090), (14654, 1376545), (36635, 550618), (73270, 275309)]