20593395

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 37806912

約数和(自身を除く): 17213517

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 101, 115, 197, 207, 303, 345, 505, 591, 909, 985, 1035, 1515, 1773, 2323, 2955, 4531, 4545, 6969, 8865, 11615, 13593, 19897, 20907, 22655, 34845, 40779, 59691, 67965, 99485, 104535, 179073, 203895, 298455, 457631, 895365, 1372893, 2288155, 4118679, 6864465, 20593395]

約数ペア:

[(1, 20593395), (3, 6864465), (5, 4118679), (9, 2288155), (15, 1372893), (23, 895365), (45, 457631), (69, 298455), (101, 203895), (115, 179073), (197, 104535), (207, 99485), (303, 67965), (345, 59691), (505, 40779), (591, 34845), (909, 22655), (985, 20907), (1035, 19897), (1515, 13593), (1773, 11615), (2323, 8865), (2955, 6969), (4531, 4545)]