20031778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{2843}}^1$

素因数の和:3129

約数の個数: 16

約数和(自身を含む): 32489856

約数和(自身を除く): 12458078

約数列:

[1, 2, 13, 26, 271, 542, 2843, 3523, 5686, 7046, 36959, 73918, 770453, 1540906, 10015889, 20031778]

約数ペア:

[(1, 20031778), (2, 10015889), (13, 1540906), (26, 770453), (271, 73918), (542, 36959), (2843, 7046), (3523, 5686)]