20849280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10859}}^1$

素因数の和:10881

約数の個数: 64

約数和(自身を含む): 66463200

約数和(自身を除く): 45613920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 10859, 21718, 32577, 43436, 54295, 65154, 86872, 108590, 130308, 162885, 173744, 217180, 260616, 325770, 347488, 434360, 521232, 651540, 694976, 868720, 1042464, 1303080, 1389952, 1737440, 2084928, 2606160, 3474880, 4169856, 5212320, 6949760, 10424640, 20849280]

約数ペア:

[(1, 20849280), (2, 10424640), (3, 6949760), (4, 5212320), (5, 4169856), (6, 3474880), (8, 2606160), (10, 2084928), (12, 1737440), (15, 1389952), (16, 1303080), (20, 1042464), (24, 868720), (30, 694976), (32, 651540), (40, 521232), (48, 434360), (60, 347488), (64, 325770), (80, 260616), (96, 217180), (120, 173744), (128, 162885), (160, 130308), (192, 108590), (240, 86872), (320, 65154), (384, 54295), (480, 43436), (640, 32577), (960, 21718), (1920, 10859)]