20769658

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{821}}^1$

素因数の和:982

約数の個数: 32

約数和(自身を含む): 38666880

約数和(自身を除く): 17897222

約数列:

[1, 2, 7, 13, 14, 26, 91, 139, 182, 278, 821, 973, 1642, 1807, 1946, 3614, 5747, 10673, 11494, 12649, 21346, 25298, 74711, 114119, 149422, 228238, 798833, 1483547, 1597666, 2967094, 10384829, 20769658]

約数ペア:

[(1, 20769658), (2, 10384829), (7, 2967094), (13, 1597666), (14, 1483547), (26, 798833), (91, 228238), (139, 149422), (182, 114119), (278, 74711), (821, 25298), (973, 21346), (1642, 12649), (1807, 11494), (1946, 10673), (3614, 5747)]