20108040064

素因数分解:

$2^7\times 7^1\times {\mathrm{181}}^1\times {\mathrm{123989}}^1$

素因数の和:124191

約数の個数: 64

約数和(自身を含む): 46035007200

約数和(自身を除く): 25926967136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 181, 224, 362, 448, 724, 896, 1267, 1448, 2534, 2896, 5068, 5792, 10136, 11584, 20272, 23168, 40544, 81088, 123989, 162176, 247978, 495956, 867923, 991912, 1735846, 1983824, 3471692, 3967648, 6943384, 7935296, 13886768, 15870592, 22442009, 27773536, 44884018, 55547072, 89768036, 111094144, 157094063, 179536072, 314188126, 359072144, 628376252, 718144288, 1256752504, 1436288576, 2513505008, 2872577152, 5027010016, 10054020032, 20108040064]

約数ペア:

[(1, 20108040064), (2, 10054020032), (4, 5027010016), (7, 2872577152), (8, 2513505008), (14, 1436288576), (16, 1256752504), (28, 718144288), (32, 628376252), (56, 359072144), (64, 314188126), (112, 179536072), (128, 157094063), (181, 111094144), (224, 89768036), (362, 55547072), (448, 44884018), (724, 27773536), (896, 22442009), (1267, 15870592), (1448, 13886768), (2534, 7935296), (2896, 6943384), (5068, 3967648), (5792, 3471692), (10136, 1983824), (11584, 1735846), (20272, 991912), (23168, 867923), (40544, 495956), (81088, 247978), (123989, 162176)]