20420236441

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1\times {\mathrm{3203}}^1$

素因数の和:3573

約数の個数: 32

約数和(自身を含む): 23563395072

約数和(自身を除く): 3143158631

約数列:

[1, 11, 23, 113, 223, 253, 1243, 2453, 2599, 3203, 5129, 25199, 28589, 35233, 56419, 73669, 277189, 361939, 579577, 714269, 810359, 3981329, 6375347, 7856959, 8324597, 16428187, 80712397, 91570567, 180710057, 887836367, 1856385131, 20420236441]

約数ペア:

[(1, 20420236441), (11, 1856385131), (23, 887836367), (113, 180710057), (223, 91570567), (253, 80712397), (1243, 16428187), (2453, 8324597), (2599, 7856959), (3203, 6375347), (5129, 3981329), (25199, 810359), (28589, 714269), (35233, 579577), (56419, 361939), (73669, 277189)]