20016280

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{6029}}^1$

素因数の和:6123

約数の個数: 32

約数和(自身を含む): 45586800

約数和(自身を除く): 25570520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 6029, 12058, 24116, 30145, 48232, 60290, 120580, 241160, 500407, 1000814, 2001628, 2502035, 4003256, 5004070, 10008140, 20016280]

約数ペア:

[(1, 20016280), (2, 10008140), (4, 5004070), (5, 4003256), (8, 2502035), (10, 2001628), (20, 1000814), (40, 500407), (83, 241160), (166, 120580), (332, 60290), (415, 48232), (664, 30145), (830, 24116), (1660, 12058), (3320, 6029)]