20533443

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{12377}}^1$

素因数の和:12466

約数の個数: 16

約数和(自身を含む): 31687680

約数和(自身を除く): 11154237

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 12377, 37131, 86639, 259917, 977783, 2933349, 6844481, 20533443]

約数ペア:

[(1, 20533443), (3, 6844481), (7, 2933349), (21, 977783), (79, 259917), (237, 86639), (553, 37131), (1659, 12377)]