20908030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{14621}}^1$

素因数の和:14652

約数の個数: 32

約数和(自身を含む): 44216928

約数和(自身を除く): 23308898

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 14621, 29242, 73105, 146210, 160831, 190073, 321662, 380146, 804155, 950365, 1608310, 1900730, 2090803, 4181606, 10454015, 20908030]

約数ペア:

[(1, 20908030), (2, 10454015), (5, 4181606), (10, 2090803), (11, 1900730), (13, 1608310), (22, 950365), (26, 804155), (55, 380146), (65, 321662), (110, 190073), (130, 160831), (143, 146210), (286, 73105), (715, 29242), (1430, 14621)]