16131980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2791}}^1$

素因数の和:2834

約数の個数: 36

約数和(自身を含む): 36000048

約数和(自身を除く): 19868068

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2791, 2890, 5582, 5780, 11164, 13955, 27910, 47447, 55820, 94894, 189788, 237235, 474470, 806599, 948940, 1613198, 3226396, 4032995, 8065990, 16131980]

約数ペア:

[(1, 16131980), (2, 8065990), (4, 4032995), (5, 3226396), (10, 1613198), (17, 948940), (20, 806599), (34, 474470), (68, 237235), (85, 189788), (170, 94894), (289, 55820), (340, 47447), (578, 27910), (1156, 13955), (1445, 11164), (2791, 5780), (2890, 5582)]