20393760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{42487}}^1$

素因数の和:42505

約数の個数: 48

約数和(自身を含む): 64241856

約数和(自身を除く): 43848096

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, 42487, 84974, 127461, 169948, 212435, 254922, 339896, 424870, 509844, 637305, 679792, 849740, 1019688, 1274610, 1359584, 1699480, 2039376, 2549220, 3398960, 4078752, 5098440, 6797920, 10196880, 20393760]

約数ペア:

[(1, 20393760), (2, 10196880), (3, 6797920), (4, 5098440), (5, 4078752), (6, 3398960), (8, 2549220), (10, 2039376), (12, 1699480), (15, 1359584), (16, 1274610), (20, 1019688), (24, 849740), (30, 679792), (32, 637305), (40, 509844), (48, 424870), (60, 339896), (80, 254922), (96, 212435), (120, 169948), (160, 127461), (240, 84974), (480, 42487)]