20671620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18133}}^1$

素因数の和:18164

約数の個数: 48

約数和(自身を含む): 60930240

約数和(自身を除く): 40258620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 18133, 36266, 54399, 72532, 90665, 108798, 181330, 217596, 271995, 344527, 362660, 543990, 689054, 1033581, 1087980, 1378108, 1722635, 2067162, 3445270, 4134324, 5167905, 6890540, 10335810, 20671620]

約数ペア:

[(1, 20671620), (2, 10335810), (3, 6890540), (4, 5167905), (5, 4134324), (6, 3445270), (10, 2067162), (12, 1722635), (15, 1378108), (19, 1087980), (20, 1033581), (30, 689054), (38, 543990), (57, 362660), (60, 344527), (76, 271995), (95, 217596), (114, 181330), (190, 108798), (228, 90665), (285, 72532), (380, 54399), (570, 36266), (1140, 18133)]