20247591

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{74167}}^1$

素因数の和:74190

約数の個数: 16

約数和(自身を含む): 33227264

約数和(自身を除く): 12979673

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 74167, 222501, 519169, 964171, 1557507, 2892513, 6749197, 20247591]

約数ペア:

[(1, 20247591), (3, 6749197), (7, 2892513), (13, 1557507), (21, 964171), (39, 519169), (91, 222501), (273, 74167)]