20500320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{42709}}^1$

素因数の和:42727

約数の個数: 48

約数和(自身を含む): 64577520

約数和(自身を除く): 44077200

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, 42709, 85418, 128127, 170836, 213545, 256254, 341672, 427090, 512508, 640635, 683344, 854180, 1025016, 1281270, 1366688, 1708360, 2050032, 2562540, 3416720, 4100064, 5125080, 6833440, 10250160, 20500320]

約数ペア:

[(1, 20500320), (2, 10250160), (3, 6833440), (4, 5125080), (5, 4100064), (6, 3416720), (8, 2562540), (10, 2050032), (12, 1708360), (15, 1366688), (16, 1281270), (20, 1025016), (24, 854180), (30, 683344), (32, 640635), (40, 512508), (48, 427090), (60, 341672), (80, 256254), (96, 213545), (120, 170836), (160, 128127), (240, 85418), (480, 42709)]