20156340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17681}}^1$

素因数の和:17712

約数の個数: 48

約数和(自身を含む): 59411520

約数和(自身を除く): 39255180

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, 17681, 35362, 53043, 70724, 88405, 106086, 176810, 212172, 265215, 335939, 353620, 530430, 671878, 1007817, 1060860, 1343756, 1679695, 2015634, 3359390, 4031268, 5039085, 6718780, 10078170, 20156340]

約数ペア:

[(1, 20156340), (2, 10078170), (3, 6718780), (4, 5039085), (5, 4031268), (6, 3359390), (10, 2015634), (12, 1679695), (15, 1343756), (19, 1060860), (20, 1007817), (30, 671878), (38, 530430), (57, 353620), (60, 335939), (76, 265215), (95, 212172), (114, 176810), (190, 106086), (228, 88405), (285, 70724), (380, 53043), (570, 35362), (1140, 17681)]