20003818

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{2741}}^1$

素因数の和:2873

約数の個数: 16

約数和(自身を含む): 31094280

約数和(自身を除く): 11090462

約数列:

[1, 2, 41, 82, 89, 178, 2741, 3649, 5482, 7298, 112381, 224762, 243949, 487898, 10001909, 20003818]

約数ペア:

[(1, 20003818), (2, 10001909), (41, 487898), (82, 243949), (89, 224762), (178, 112381), (2741, 7298), (3649, 5482)]