201066980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{164809}}^1$

素因数の和:164879

約数の個数: 24

約数和(自身を含む): 429165240

約数和(自身を除く): 228098260

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 164809, 329618, 659236, 824045, 1648090, 3296180, 10053349, 20106698, 40213396, 50266745, 100533490, 201066980]

約数ペア:

[(1, 201066980), (2, 100533490), (4, 50266745), (5, 40213396), (10, 20106698), (20, 10053349), (61, 3296180), (122, 1648090), (244, 824045), (305, 659236), (610, 329618), (1220, 164809)]