20502480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{85427}}^1$

素因数の和:85443

約数の個数: 40

約数和(自身を含む): 63558432

約数和(自身を除く): 43055952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 85427, 170854, 256281, 341708, 427135, 512562, 683416, 854270, 1025124, 1281405, 1366832, 1708540, 2050248, 2562810, 3417080, 4100496, 5125620, 6834160, 10251240, 20502480]

約数ペア:

[(1, 20502480), (2, 10251240), (3, 6834160), (4, 5125620), (5, 4100496), (6, 3417080), (8, 2562810), (10, 2050248), (12, 1708540), (15, 1366832), (16, 1281405), (20, 1025124), (24, 854270), (30, 683416), (40, 512562), (48, 427135), (60, 341708), (80, 256281), (120, 170854), (240, 85427)]