20198700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{7481}}^1$

素因数の和:7504

約数の個数: 72

約数和(自身を含む): 64943760

約数和(自身を除く): 44745060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 180, 225, 270, 300, 450, 540, 675, 900, 1350, 2700, 7481, 14962, 22443, 29924, 37405, 44886, 67329, 74810, 89772, 112215, 134658, 149620, 187025, 201987, 224430, 269316, 336645, 374050, 403974, 448860, 561075, 673290, 748100, 807948, 1009935, 1122150, 1346580, 1683225, 2019870, 2244300, 3366450, 4039740, 5049675, 6732900, 10099350, 20198700]

約数ペア:

[(1, 20198700), (2, 10099350), (3, 6732900), (4, 5049675), (5, 4039740), (6, 3366450), (9, 2244300), (10, 2019870), (12, 1683225), (15, 1346580), (18, 1122150), (20, 1009935), (25, 807948), (27, 748100), (30, 673290), (36, 561075), (45, 448860), (50, 403974), (54, 374050), (60, 336645), (75, 269316), (90, 224430), (100, 201987), (108, 187025), (135, 149620), (150, 134658), (180, 112215), (225, 89772), (270, 74810), (300, 67329), (450, 44886), (540, 37405), (675, 29924), (900, 22443), (1350, 14962), (2700, 7481)]