20215758

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{557}}^1$

素因数の和:848

約数の個数: 32

約数和(自身を含む): 42425856

約数和(自身を除く): 22210098

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 263, 526, 557, 789, 1114, 1578, 1671, 3342, 6049, 12098, 12811, 18147, 25622, 36294, 38433, 76866, 146491, 292982, 439473, 878946, 3369293, 6738586, 10107879, 20215758]

約数ペア:

[(1, 20215758), (2, 10107879), (3, 6738586), (6, 3369293), (23, 878946), (46, 439473), (69, 292982), (138, 146491), (263, 76866), (526, 38433), (557, 36294), (789, 25622), (1114, 18147), (1578, 12811), (1671, 12098), (3342, 6049)]