20565131520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{5355503}}^1$

素因数の和:5355527

約数の個数: 72

約数和(自身を含む): 65679901056

約数和(自身を除く): 45114769536

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, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 5355503, 10711006, 16066509, 21422012, 26777515, 32133018, 42844024, 53555030, 64266036, 80332545, 85688048, 107110060, 128532072, 160665090, 171376096, 214220120, 257064144, 321330180, 342752192, 428440240, 514128288, 642660360, 685504384, 856880480, 1028256576, 1285320720, 1371008768, 1713760960, 2056513152, 2570641440, 3427521920, 4113026304, 5141282880, 6855043840, 10282565760, 20565131520]

約数ペア:

[(1, 20565131520), (2, 10282565760), (3, 6855043840), (4, 5141282880), (5, 4113026304), (6, 3427521920), (8, 2570641440), (10, 2056513152), (12, 1713760960), (15, 1371008768), (16, 1285320720), (20, 1028256576), (24, 856880480), (30, 685504384), (32, 642660360), (40, 514128288), (48, 428440240), (60, 342752192), (64, 321330180), (80, 257064144), (96, 214220120), (120, 171376096), (128, 160665090), (160, 128532072), (192, 107110060), (240, 85688048), (256, 80332545), (320, 64266036), (384, 53555030), (480, 42844024), (640, 32133018), (768, 26777515), (960, 21422012), (1280, 16066509), (1920, 10711006), (3840, 5355503)]