20686770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17681}}^1$

素因数の和:17707

約数の個数: 48

約数和(自身を含む): 57926232

約数和(自身を除く): 37239462

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 17681, 35362, 53043, 88405, 106086, 159129, 176810, 229853, 265215, 318258, 459706, 530430, 689559, 795645, 1149265, 1379118, 1591290, 2068677, 2298530, 3447795, 4137354, 6895590, 10343385, 20686770]

約数ペア:

[(1, 20686770), (2, 10343385), (3, 6895590), (5, 4137354), (6, 3447795), (9, 2298530), (10, 2068677), (13, 1591290), (15, 1379118), (18, 1149265), (26, 795645), (30, 689559), (39, 530430), (45, 459706), (65, 318258), (78, 265215), (90, 229853), (117, 176810), (130, 159129), (195, 106086), (234, 88405), (390, 53043), (585, 35362), (1170, 17681)]