20541933

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 33426432

約数和(自身を除く): 12884499

約数列:

[1, 3, 9, 17, 31, 51, 61, 71, 93, 153, 183, 213, 279, 527, 549, 639, 1037, 1207, 1581, 1891, 2201, 3111, 3621, 4331, 4743, 5673, 6603, 9333, 10863, 12993, 17019, 19809, 32147, 37417, 38979, 73627, 96441, 112251, 134261, 220881, 289323, 336753, 402783, 662643, 1208349, 2282437, 6847311, 20541933]

約数ペア:

[(1, 20541933), (3, 6847311), (9, 2282437), (17, 1208349), (31, 662643), (51, 402783), (61, 336753), (71, 289323), (93, 220881), (153, 134261), (183, 112251), (213, 96441), (279, 73627), (527, 38979), (549, 37417), (639, 32147), (1037, 19809), (1207, 17019), (1581, 12993), (1891, 10863), (2201, 9333), (3111, 6603), (3621, 5673), (4331, 4743)]