20256512

素因数分解:

$2^8\times {\mathrm{67}}^1\times {\mathrm{1181}}^1$

素因数の和:1264

約数の個数: 36

約数和(自身を含む): 41072136

約数和(自身を除く): 20815624

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 128, 134, 256, 268, 536, 1072, 1181, 2144, 2362, 4288, 4724, 8576, 9448, 17152, 18896, 37792, 75584, 79127, 151168, 158254, 302336, 316508, 633016, 1266032, 2532064, 5064128, 10128256, 20256512]

約数ペア:

[(1, 20256512), (2, 10128256), (4, 5064128), (8, 2532064), (16, 1266032), (32, 633016), (64, 316508), (67, 302336), (128, 158254), (134, 151168), (256, 79127), (268, 75584), (536, 37792), (1072, 18896), (1181, 17152), (2144, 9448), (2362, 8576), (4288, 4724)]