20161386

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{773}}^1$

素因数の和:817

約数の個数: 80

約数和(自身を含む): 53944704

約数和(自身を除く): 33783318

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 42, 46, 54, 63, 69, 81, 126, 138, 161, 162, 189, 207, 322, 378, 414, 483, 567, 621, 773, 966, 1134, 1242, 1449, 1546, 1863, 2319, 2898, 3726, 4347, 4638, 5411, 6957, 8694, 10822, 13041, 13914, 16233, 17779, 20871, 26082, 32466, 35558, 41742, 48699, 53337, 62613, 97398, 106674, 124453, 125226, 146097, 160011, 248906, 292194, 320022, 373359, 438291, 480033, 746718, 876582, 960066, 1120077, 1440099, 2240154, 2880198, 3360231, 6720462, 10080693, 20161386]

約数ペア:

[(1, 20161386), (2, 10080693), (3, 6720462), (6, 3360231), (7, 2880198), (9, 2240154), (14, 1440099), (18, 1120077), (21, 960066), (23, 876582), (27, 746718), (42, 480033), (46, 438291), (54, 373359), (63, 320022), (69, 292194), (81, 248906), (126, 160011), (138, 146097), (161, 125226), (162, 124453), (189, 106674), (207, 97398), (322, 62613), (378, 53337), (414, 48699), (483, 41742), (567, 35558), (621, 32466), (773, 26082), (966, 20871), (1134, 17779), (1242, 16233), (1449, 13914), (1546, 13041), (1863, 10822), (2319, 8694), (2898, 6957), (3726, 5411), (4347, 4638)]