20454296

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1231}}^1$

素因数の和:1335

約数の個数: 32

約数和(自身を含む): 40212480

約数和(自身を除く): 19758184

約数列:

[1, 2, 4, 8, 31, 62, 67, 124, 134, 248, 268, 536, 1231, 2077, 2462, 4154, 4924, 8308, 9848, 16616, 38161, 76322, 82477, 152644, 164954, 305288, 329908, 659816, 2556787, 5113574, 10227148, 20454296]

約数ペア:

[(1, 20454296), (2, 10227148), (4, 5113574), (8, 2556787), (31, 659816), (62, 329908), (67, 305288), (124, 164954), (134, 152644), (248, 82477), (268, 76322), (536, 38161), (1231, 16616), (2077, 9848), (2462, 8308), (4154, 4924)]