20874256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{100357}}^1$

素因数の和:100378

約数の個数: 20

約数和(自身を含む): 43555372

約数和(自身を除く): 22681116

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 100357, 200714, 401428, 802856, 1304641, 1605712, 2609282, 5218564, 10437128, 20874256]

約数ペア:

[(1, 20874256), (2, 10437128), (4, 5218564), (8, 2609282), (13, 1605712), (16, 1304641), (26, 802856), (52, 401428), (104, 200714), (208, 100357)]