20218162568

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{1181}}^1\times {\mathrm{35081}}^1$

素因数の和:36329

約数の個数: 32

約数和(自身を含む): 38564239320

約数和(自身を除く): 18346076752

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 1181, 2362, 4724, 9448, 35081, 70162, 72041, 140324, 144082, 280648, 288164, 576328, 2139941, 4279882, 8559764, 17119528, 41430661, 82861322, 165722644, 331445288, 2527270321, 5054540642, 10109081284, 20218162568]

約数ペア:

[(1, 20218162568), (2, 10109081284), (4, 5054540642), (8, 2527270321), (61, 331445288), (122, 165722644), (244, 82861322), (488, 41430661), (1181, 17119528), (2362, 8559764), (4724, 4279882), (9448, 2139941), (35081, 576328), (70162, 288164), (72041, 280648), (140324, 144082)]