20654224

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{19267}}^1$

素因数の和:19342

約数の個数: 20

約数和(自身を含む): 40616944

約数和(自身を除く): 19962720

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 19267, 38534, 77068, 154136, 308272, 1290889, 2581778, 5163556, 10327112, 20654224]

約数ペア:

[(1, 20654224), (2, 10327112), (4, 5163556), (8, 2581778), (16, 1290889), (67, 308272), (134, 154136), (268, 77068), (536, 38534), (1072, 19267)]