20485527

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 30227904

約数和(自身を除く): 9742377

約数列:

[1, 3, 17, 41, 51, 97, 101, 123, 291, 303, 697, 1649, 1717, 2091, 3977, 4141, 4947, 5151, 9797, 11931, 12423, 29391, 67609, 70397, 166549, 202827, 211191, 401677, 499647, 1205031, 6828509, 20485527]

約数ペア:

[(1, 20485527), (3, 6828509), (17, 1205031), (41, 499647), (51, 401677), (97, 211191), (101, 202827), (123, 166549), (291, 70397), (303, 67609), (697, 29391), (1649, 12423), (1717, 11931), (2091, 9797), (3977, 5151), (4141, 4947)]