20120867

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^2$

素因数の和:167

約数の個数: 24

約数和(自身を含む): 24049200

約数和(自身を除く): 3928333

約数列:

[1, 13, 19, 29, 53, 247, 377, 551, 689, 1007, 1537, 2809, 7163, 13091, 19981, 29203, 36517, 53371, 81461, 379639, 693823, 1058993, 1547759, 20120867]

約数ペア:

[(1, 20120867), (13, 1547759), (19, 1058993), (29, 693823), (53, 379639), (247, 81461), (377, 53371), (551, 36517), (689, 29203), (1007, 19981), (1537, 13091), (2809, 7163)]