20721510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{230239}}^1$

素因数の和:230252

約数の個数: 24

約数和(自身を含む): 53876160

約数和(自身を除く): 33154650

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 230239, 460478, 690717, 1151195, 1381434, 2072151, 2302390, 3453585, 4144302, 6907170, 10360755, 20721510]

約数ペア:

[(1, 20721510), (2, 10360755), (3, 6907170), (5, 4144302), (6, 3453585), (9, 2302390), (10, 2072151), (15, 1381434), (18, 1151195), (30, 690717), (45, 460478), (90, 230239)]