20280521334

素因数分解:

$2^1\times 3^1\times {\mathrm{12911}}^1\times {\mathrm{261799}}^1$

素因数の和:274715

約数の個数: 16

約数和(自身を含む): 40564339200

約数和(自身を除く): 20283817866

約数列:

[1, 2, 3, 6, 12911, 25822, 38733, 77466, 261799, 523598, 785397, 1570794, 3380086889, 6760173778, 10140260667, 20280521334]

約数ペア:

[(1, 20280521334), (2, 10140260667), (3, 6760173778), (6, 3380086889), (12911, 1570794), (25822, 785397), (38733, 523598), (77466, 261799)]