20212561136

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{30811831}}^1$

素因数の和:30811880

約数の個数: 20

約数和(自身を含む): 40117005264

約数和(自身を除く): 19904444128

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30811831, 61623662, 123247324, 246494648, 492989296, 1263285071, 2526570142, 5053140284, 10106280568, 20212561136]

約数ペア:

[(1, 20212561136), (2, 10106280568), (4, 5053140284), (8, 2526570142), (16, 1263285071), (41, 492989296), (82, 246494648), (164, 123247324), (328, 61623662), (656, 30811831)]