20021877

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1259}}^1$

素因数の和:1318

約数の個数: 32

約数和(自身を含む): 32256000

約数和(自身を除く): 12234123

約数列:

[1, 3, 9, 19, 27, 31, 57, 93, 171, 279, 513, 589, 837, 1259, 1767, 3777, 5301, 11331, 15903, 23921, 33993, 39029, 71763, 117087, 215289, 351261, 645867, 741551, 1053783, 2224653, 6673959, 20021877]

約数ペア:

[(1, 20021877), (3, 6673959), (9, 2224653), (19, 1053783), (27, 741551), (31, 645867), (57, 351261), (93, 215289), (171, 117087), (279, 71763), (513, 39029), (589, 33993), (837, 23921), (1259, 15903), (1767, 11331), (3777, 5301)]