20535490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{1069}}^1$

素因数の和:1206

約数の個数: 32

約数和(自身を含む): 39521520

約数和(自身を除く): 18986030

約数列:

[1, 2, 5, 10, 17, 34, 85, 113, 170, 226, 565, 1069, 1130, 1921, 2138, 3842, 5345, 9605, 10690, 18173, 19210, 36346, 90865, 120797, 181730, 241594, 603985, 1207970, 2053549, 4107098, 10267745, 20535490]

約数ペア:

[(1, 20535490), (2, 10267745), (5, 4107098), (10, 2053549), (17, 1207970), (34, 603985), (85, 241594), (113, 181730), (170, 120797), (226, 90865), (565, 36346), (1069, 19210), (1130, 18173), (1921, 10690), (2138, 9605), (3842, 5345)]