20664414

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1277}}^1$

素因数の和:1345

約数の個数: 48

約数和(自身を含む): 47848320

約数和(自身を除く): 27183906

約数列:

[1, 2, 3, 6, 9, 18, 29, 31, 58, 62, 87, 93, 174, 186, 261, 279, 522, 558, 899, 1277, 1798, 2554, 2697, 3831, 5394, 7662, 8091, 11493, 16182, 22986, 37033, 39587, 74066, 79174, 111099, 118761, 222198, 237522, 333297, 356283, 666594, 712566, 1148023, 2296046, 3444069, 6888138, 10332207, 20664414]

約数ペア:

[(1, 20664414), (2, 10332207), (3, 6888138), (6, 3444069), (9, 2296046), (18, 1148023), (29, 712566), (31, 666594), (58, 356283), (62, 333297), (87, 237522), (93, 222198), (174, 118761), (186, 111099), (261, 79174), (279, 74066), (522, 39587), (558, 37033), (899, 22986), (1277, 16182), (1798, 11493), (2554, 8091), (2697, 7662), (3831, 5394)]