20906070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{14827}}^1$

素因数の和:14884

約数の個数: 32

約数和(自身を含む): 51245568

約数和(自身を除く): 30339498

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 235, 282, 470, 705, 1410, 14827, 29654, 44481, 74135, 88962, 148270, 222405, 444810, 696869, 1393738, 2090607, 3484345, 4181214, 6968690, 10453035, 20906070]

約数ペア:

[(1, 20906070), (2, 10453035), (3, 6968690), (5, 4181214), (6, 3484345), (10, 2090607), (15, 1393738), (30, 696869), (47, 444810), (94, 222405), (141, 148270), (235, 88962), (282, 74135), (470, 44481), (705, 29654), (1410, 14827)]