20174697215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{77743}}^1$

素因数の和:77879

約数の個数: 32

約数和(自身を含む): 26599643136

約数和(自身を除く): 6424945921

約数列:

[1, 5, 17, 43, 71, 85, 215, 355, 731, 1207, 3053, 3655, 6035, 15265, 51901, 77743, 259505, 388715, 1321631, 3342949, 5519753, 6608155, 16714745, 27598765, 56830133, 93835801, 237349379, 284150665, 469179005, 1186746895, 4034939443, 20174697215]

約数ペア:

[(1, 20174697215), (5, 4034939443), (17, 1186746895), (43, 469179005), (71, 284150665), (85, 237349379), (215, 93835801), (355, 56830133), (731, 27598765), (1207, 16714745), (3053, 6608155), (3655, 5519753), (6035, 3342949), (15265, 1321631), (51901, 388715), (77743, 259505)]