20179874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1907}}^1$

素因数の和:1970

約数の個数: 32

約数和(自身を含む): 36542016

約数和(自身を除く): 16362142

約数列:

[1, 2, 11, 13, 22, 26, 37, 74, 143, 286, 407, 481, 814, 962, 1907, 3814, 5291, 10582, 20977, 24791, 41954, 49582, 70559, 141118, 272701, 545402, 776149, 917267, 1552298, 1834534, 10089937, 20179874]

約数ペア:

[(1, 20179874), (2, 10089937), (11, 1834534), (13, 1552298), (22, 917267), (26, 776149), (37, 545402), (74, 272701), (143, 141118), (286, 70559), (407, 49582), (481, 41954), (814, 24791), (962, 20977), (1907, 10582), (3814, 5291)]