20206515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3631}}^1$

素因数の和:3699

約数の個数: 32

約数和(自身を含む): 37656576

約数和(自身を除く): 17450061

約数列:

[1, 3, 5, 7, 15, 21, 35, 53, 105, 159, 265, 371, 795, 1113, 1855, 3631, 5565, 10893, 18155, 25417, 54465, 76251, 127085, 192443, 381255, 577329, 962215, 1347101, 2886645, 4041303, 6735505, 20206515]

約数ペア:

[(1, 20206515), (3, 6735505), (5, 4041303), (7, 2886645), (15, 1347101), (21, 962215), (35, 577329), (53, 381255), (105, 192443), (159, 127085), (265, 76251), (371, 54465), (795, 25417), (1113, 18155), (1855, 10893), (3631, 5565)]