220120901

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19991}}^1$

素因数の和:20033

約数の個数: 24

約数和(自身を含む): 297800832

約数和(自身を除く): 77679931

約数列:

[1, 7, 11, 13, 77, 91, 121, 143, 847, 1001, 1573, 11011, 19991, 139937, 219901, 259883, 1539307, 1819181, 2418911, 2858713, 16932377, 20010991, 31445843, 220120901]

約数ペア:

[(1, 220120901), (7, 31445843), (11, 20010991), (13, 16932377), (77, 2858713), (91, 2418911), (121, 1819181), (143, 1539307), (847, 259883), (1001, 219901), (1573, 139937), (11011, 19991)]