20448790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3251}}^1$

素因数の和:3312

約数の個数: 32

約数和(自身を含む): 40038624

約数和(自身を除く): 19589834

約数列:

[1, 2, 5, 10, 17, 34, 37, 74, 85, 170, 185, 370, 629, 1258, 3145, 3251, 6290, 6502, 16255, 32510, 55267, 110534, 120287, 240574, 276335, 552670, 601435, 1202870, 2044879, 4089758, 10224395, 20448790]

約数ペア:

[(1, 20448790), (2, 10224395), (5, 4089758), (10, 2044879), (17, 1202870), (34, 601435), (37, 552670), (74, 276335), (85, 240574), (170, 120287), (185, 110534), (370, 55267), (629, 32510), (1258, 16255), (3145, 6502), (3251, 6290)]