20393205

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1163}}^1$

素因数の和:1345

約数の個数: 32

約数和(自身を含む): 37545984

約数和(自身を除く): 17152779

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 167, 501, 835, 1163, 1169, 2505, 3489, 3507, 5815, 5845, 8141, 17445, 17535, 24423, 40705, 122115, 194221, 582663, 971105, 1359547, 2913315, 4078641, 6797735, 20393205]

約数ペア:

[(1, 20393205), (3, 6797735), (5, 4078641), (7, 2913315), (15, 1359547), (21, 971105), (35, 582663), (105, 194221), (167, 122115), (501, 40705), (835, 24423), (1163, 17535), (1169, 17445), (2505, 8141), (3489, 5845), (3507, 5815)]