20955597

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{17333}}^1$

素因数の和:17380

約数の個数: 16

約数和(自身を含む): 31062528

約数和(自身を除く): 10106931

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 17333, 51999, 225329, 537323, 675987, 1611969, 6985199, 20955597]

約数ペア:

[(1, 20955597), (3, 6985199), (13, 1611969), (31, 675987), (39, 537323), (93, 225329), (403, 51999), (1209, 17333)]