20163397268

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1\times {\mathrm{14431}}^1$

素因数の和:14940

約数の個数: 48

約数和(自身を含む): 40732876800

約数和(自身を除く): 20569479532

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 359, 556, 718, 973, 1436, 1946, 2513, 3892, 5026, 10052, 14431, 28862, 49901, 57724, 99802, 101017, 199604, 202034, 349307, 404068, 698614, 1397228, 2005909, 4011818, 5180729, 8023636, 10361458, 14041363, 20722916, 28082726, 36265103, 56165452, 72530206, 145060412, 720121331, 1440242662, 2880485324, 5040849317, 10081698634, 20163397268]

約数ペア:

[(1, 20163397268), (2, 10081698634), (4, 5040849317), (7, 2880485324), (14, 1440242662), (28, 720121331), (139, 145060412), (278, 72530206), (359, 56165452), (556, 36265103), (718, 28082726), (973, 20722916), (1436, 14041363), (1946, 10361458), (2513, 8023636), (3892, 5180729), (5026, 4011818), (10052, 2005909), (14431, 1397228), (28862, 698614), (49901, 404068), (57724, 349307), (99802, 202034), (101017, 199604)]