20201131210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2239}}^1\times {\mathrm{69403}}^1$

素因数の和:71662

約数の個数: 32

約数和(自身を含む): 39177169920

約数和(自身を除く): 18976038710

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2239, 4478, 11195, 22390, 29107, 58214, 69403, 138806, 145535, 291070, 347015, 694030, 902239, 1804478, 4511195, 9022390, 155393317, 310786634, 776966585, 1553933170, 2020113121, 4040226242, 10100565605, 20201131210]

約数ペア:

[(1, 20201131210), (2, 10100565605), (5, 4040226242), (10, 2020113121), (13, 1553933170), (26, 776966585), (65, 310786634), (130, 155393317), (2239, 9022390), (4478, 4511195), (11195, 1804478), (22390, 902239), (29107, 694030), (58214, 347015), (69403, 291070), (138806, 145535)]