20870880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43481}}^1$

素因数の和:43499

約数の個数: 48

約数和(自身を含む): 65744784

約数和(自身を除く): 44873904

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, 43481, 86962, 130443, 173924, 217405, 260886, 347848, 434810, 521772, 652215, 695696, 869620, 1043544, 1304430, 1391392, 1739240, 2087088, 2608860, 3478480, 4174176, 5217720, 6956960, 10435440, 20870880]

約数ペア:

[(1, 20870880), (2, 10435440), (3, 6956960), (4, 5217720), (5, 4174176), (6, 3478480), (8, 2608860), (10, 2087088), (12, 1739240), (15, 1391392), (16, 1304430), (20, 1043544), (24, 869620), (30, 695696), (32, 652215), (40, 521772), (48, 434810), (60, 347848), (80, 260886), (96, 217405), (120, 173924), (160, 130443), (240, 86962), (480, 43481)]