20218620020

素因数分解:

$2^2\times 5^1\times {\mathrm{743}}^1\times {\mathrm{1360607}}^1$

素因数の和:1361359

約数の個数: 24

約数和(自身を含む): 42516278784

約数和(自身を除く): 22297658764

約数列:

[1, 2, 4, 5, 10, 20, 743, 1486, 2972, 3715, 7430, 14860, 1360607, 2721214, 5442428, 6803035, 13606070, 27212140, 1010931001, 2021862002, 4043724004, 5054655005, 10109310010, 20218620020]

約数ペア:

[(1, 20218620020), (2, 10109310010), (4, 5054655005), (5, 4043724004), (10, 2021862002), (20, 1010931001), (743, 27212140), (1486, 13606070), (2972, 6803035), (3715, 5442428), (7430, 2721214), (14860, 1360607)]