20940960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43627}}^1$

素因数の和:43645

約数の個数: 48

約数和(自身を含む): 65965536

約数和(自身を除く): 45024576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 43627, 87254, 130881, 174508, 218135, 261762, 349016, 436270, 523524, 654405, 698032, 872540, 1047048, 1308810, 1396064, 1745080, 2094096, 2617620, 3490160, 4188192, 5235240, 6980320, 10470480, 20940960]

約数ペア:

[(1, 20940960), (2, 10470480), (3, 6980320), (4, 5235240), (5, 4188192), (6, 3490160), (8, 2617620), (10, 2094096), (12, 1745080), (15, 1396064), (16, 1308810), (20, 1047048), (24, 872540), (30, 698032), (32, 654405), (40, 523524), (48, 436270), (60, 349016), (80, 261762), (96, 218135), (120, 174508), (160, 130881), (240, 87254), (480, 43627)]