20145705045

素因数分解:

$3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{4955893}}^1$

素因数の和:4956172

約数の個数: 16

約数和(自身を含む): 32352076032

約数和(自身を除く): 12206370987

約数列:

[1, 3, 5, 15, 271, 813, 1355, 4065, 4955893, 14867679, 24779465, 74338395, 1343047003, 4029141009, 6715235015, 20145705045]

約数ペア:

[(1, 20145705045), (3, 6715235015), (5, 4029141009), (15, 1343047003), (271, 74338395), (813, 24779465), (1355, 14867679), (4065, 4955893)]