20376171844

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3041}}^1\times {\mathrm{3923}}^1$

素因数の和:7036

約数の個数: 48

約数和(自身を含む): 41444597376

約数和(自身を除く): 21068425532

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 3041, 3923, 6082, 7846, 12164, 15692, 21287, 27461, 42574, 54922, 85148, 109844, 185501, 239303, 371002, 478606, 742004, 957212, 1298507, 1675121, 2597014, 3350242, 5194028, 6700484, 11929843, 23859686, 47719372, 83508901, 167017802, 334035604, 727720423, 1455440846, 2910881692, 5094042961, 10188085922, 20376171844]

約数ペア:

[(1, 20376171844), (2, 10188085922), (4, 5094042961), (7, 2910881692), (14, 1455440846), (28, 727720423), (61, 334035604), (122, 167017802), (244, 83508901), (427, 47719372), (854, 23859686), (1708, 11929843), (3041, 6700484), (3923, 5194028), (6082, 3350242), (7846, 2597014), (12164, 1675121), (15692, 1298507), (21287, 957212), (27461, 742004), (42574, 478606), (54922, 371002), (85148, 239303), (109844, 185501)]