20563588

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1187}}^1$

素因数の和:1323

約数の個数: 24

約数和(自身を含む): 37122624

約数和(自身を除く): 16559036

約数列:

[1, 2, 4, 61, 71, 122, 142, 244, 284, 1187, 2374, 4331, 4748, 8662, 17324, 72407, 84277, 144814, 168554, 289628, 337108, 5140897, 10281794, 20563588]

約数ペア:

[(1, 20563588), (2, 10281794), (4, 5140897), (61, 337108), (71, 289628), (122, 168554), (142, 144814), (244, 84277), (284, 72407), (1187, 17324), (2374, 8662), (4331, 4748)]