20053566

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1993}}^1$

素因数の和:2057

約数の個数: 48

約数和(自身を含む): 47903856

約数和(自身を除く): 27850290

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 43, 78, 86, 117, 129, 234, 258, 387, 559, 774, 1118, 1677, 1993, 3354, 3986, 5031, 5979, 10062, 11958, 17937, 25909, 35874, 51818, 77727, 85699, 155454, 171398, 233181, 257097, 466362, 514194, 771291, 1114087, 1542582, 2228174, 3342261, 6684522, 10026783, 20053566]

約数ペア:

[(1, 20053566), (2, 10026783), (3, 6684522), (6, 3342261), (9, 2228174), (13, 1542582), (18, 1114087), (26, 771291), (39, 514194), (43, 466362), (78, 257097), (86, 233181), (117, 171398), (129, 155454), (234, 85699), (258, 77727), (387, 51818), (559, 35874), (774, 25909), (1118, 17937), (1677, 11958), (1993, 10062), (3354, 5979), (3986, 5031)]