20014930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5309}}^1$

素因数の和:5358

約数の個数: 32

約数和(自身を含む): 40143600

約数和(自身を除く): 20128670

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 5309, 10618, 26545, 53090, 69017, 138034, 153961, 307922, 345085, 690170, 769805, 1539610, 2001493, 4002986, 10007465, 20014930]

約数ペア:

[(1, 20014930), (2, 10007465), (5, 4002986), (10, 2001493), (13, 1539610), (26, 769805), (29, 690170), (58, 345085), (65, 307922), (130, 153961), (145, 138034), (290, 69017), (377, 53090), (754, 26545), (1885, 10618), (3770, 5309)]