20875523337

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{487}}^1\times {\mathrm{1987}}^1$

素因数の和:2547

約数の個数: 64

約数和(自身を含む): 33528176640

約数和(自身を除く): 12652653303

約数列:

[1, 3, 9, 17, 27, 47, 51, 141, 153, 423, 459, 487, 799, 1269, 1461, 1987, 2397, 4383, 5961, 7191, 8279, 13149, 17883, 21573, 22889, 24837, 33779, 53649, 68667, 74511, 93389, 101337, 206001, 223533, 280167, 304011, 389113, 618003, 840501, 912033, 967669, 1167339, 1587613, 2521503, 2903007, 3502017, 4762839, 8709021, 10506051, 14288517, 16450373, 26127063, 42865551, 45480443, 49351119, 136441329, 148053357, 409323987, 444160071, 773167531, 1227971961, 2319502593, 6958507779, 20875523337]

約数ペア:

[(1, 20875523337), (3, 6958507779), (9, 2319502593), (17, 1227971961), (27, 773167531), (47, 444160071), (51, 409323987), (141, 148053357), (153, 136441329), (423, 49351119), (459, 45480443), (487, 42865551), (799, 26127063), (1269, 16450373), (1461, 14288517), (1987, 10506051), (2397, 8709021), (4383, 4762839), (5961, 3502017), (7191, 2903007), (8279, 2521503), (13149, 1587613), (17883, 1167339), (21573, 967669), (22889, 912033), (24837, 840501), (33779, 618003), (53649, 389113), (68667, 304011), (74511, 280167), (93389, 223533), (101337, 206001)]