20689005

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{317}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 35107200

約数和(自身を除く): 14418195

約数列:

[1, 3, 5, 15, 19, 57, 95, 229, 285, 317, 687, 951, 1145, 1585, 3435, 4351, 4755, 6023, 13053, 18069, 21755, 30115, 65265, 72593, 90345, 217779, 362965, 1088895, 1379267, 4137801, 6896335, 20689005]

約数ペア:

[(1, 20689005), (3, 6896335), (5, 4137801), (15, 1379267), (19, 1088895), (57, 362965), (95, 217779), (229, 90345), (285, 72593), (317, 65265), (687, 30115), (951, 21755), (1145, 18069), (1585, 13053), (3435, 6023), (4351, 4755)]