20554430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3677}}^1$

素因数の和:3740

約数の個数: 32

約数和(自身を含む): 40781664

約数和(自身を除く): 20227234

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 3677, 5590, 7354, 18385, 36770, 47801, 95602, 158111, 239005, 316222, 478010, 790555, 1581110, 2055443, 4110886, 10277215, 20554430]

約数ペア:

[(1, 20554430), (2, 10277215), (5, 4110886), (10, 2055443), (13, 1581110), (26, 790555), (43, 478010), (65, 316222), (86, 239005), (130, 158111), (215, 95602), (430, 47801), (559, 36770), (1118, 18385), (2795, 7354), (3677, 5590)]