20260540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{16607}}^1$

素因数の和:16677

約数の個数: 24

約数和(自身を含む): 43247232

約数和(自身を除く): 22986692

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 16607, 33214, 66428, 83035, 166070, 332140, 1013027, 2026054, 4052108, 5065135, 10130270, 20260540]

約数ペア:

[(1, 20260540), (2, 10130270), (4, 5065135), (5, 4052108), (10, 2026054), (20, 1013027), (61, 332140), (122, 166070), (244, 83035), (305, 66428), (610, 33214), (1220, 16607)]