20941790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2621}}^1$

素因数の和:2692

約数の個数: 32

約数和(自身を含む): 40777344

約数和(自身を除く): 19835554

約数列:

[1, 2, 5, 10, 17, 34, 47, 85, 94, 170, 235, 470, 799, 1598, 2621, 3995, 5242, 7990, 13105, 26210, 44557, 89114, 123187, 222785, 246374, 445570, 615935, 1231870, 2094179, 4188358, 10470895, 20941790]

約数ペア:

[(1, 20941790), (2, 10470895), (5, 4188358), (10, 2094179), (17, 1231870), (34, 615935), (47, 445570), (85, 246374), (94, 222785), (170, 123187), (235, 89114), (470, 44557), (799, 26210), (1598, 13105), (2621, 7990), (3995, 5242)]