20165594169

素因数分解:

$3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{263}}^1\times {\mathrm{15277}}^1$

素因数の和:15789

約数の個数: 32

約数和(自身を含む): 30976450560

約数和(自身を除く): 10810856391

約数列:

[1, 3, 7, 21, 239, 263, 717, 789, 1673, 1841, 5019, 5523, 15277, 45831, 62857, 106939, 188571, 320817, 439999, 1319997, 3651203, 4017851, 10953609, 12053553, 25558421, 28124957, 76675263, 84374871, 960266389, 2880799167, 6721864723, 20165594169]

約数ペア:

[(1, 20165594169), (3, 6721864723), (7, 2880799167), (21, 960266389), (239, 84374871), (263, 76675263), (717, 28124957), (789, 25558421), (1673, 12053553), (1841, 10953609), (5019, 4017851), (5523, 3651203), (15277, 1319997), (45831, 439999), (62857, 320817), (106939, 188571)]