20074620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19681}}^1$

素因数の和:19710

約数の個数: 48

約数和(自身を含む): 59518368

約数和(自身を除く): 39443748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 19681, 39362, 59043, 78724, 98405, 118086, 196810, 236172, 295215, 334577, 393620, 590430, 669154, 1003731, 1180860, 1338308, 1672885, 2007462, 3345770, 4014924, 5018655, 6691540, 10037310, 20074620]

約数ペア:

[(1, 20074620), (2, 10037310), (3, 6691540), (4, 5018655), (5, 4014924), (6, 3345770), (10, 2007462), (12, 1672885), (15, 1338308), (17, 1180860), (20, 1003731), (30, 669154), (34, 590430), (51, 393620), (60, 334577), (68, 295215), (85, 236172), (102, 196810), (170, 118086), (204, 98405), (255, 78724), (340, 59043), (510, 39362), (1020, 19681)]