20158620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17683}}^1$

素因数の和:17714

約数の個数: 48

約数和(自身を含む): 59418240

約数和(自身を除く): 39259620

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, 17683, 35366, 53049, 70732, 88415, 106098, 176830, 212196, 265245, 335977, 353660, 530490, 671954, 1007931, 1060980, 1343908, 1679885, 2015862, 3359770, 4031724, 5039655, 6719540, 10079310, 20158620]

約数ペア:

[(1, 20158620), (2, 10079310), (3, 6719540), (4, 5039655), (5, 4031724), (6, 3359770), (10, 2015862), (12, 1679885), (15, 1343908), (19, 1060980), (20, 1007931), (30, 671954), (38, 530490), (57, 353660), (60, 335977), (76, 265245), (95, 212196), (114, 176830), (190, 106098), (228, 88415), (285, 70732), (380, 53049), (570, 35366), (1140, 17683)]