20571246

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{5521}}^1$

素因数の和:5558

約数の個数: 40

約数和(自身を含む): 48107664

約数和(自身を除く): 27536418

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 414, 621, 1242, 1863, 3726, 5521, 11042, 16563, 33126, 49689, 99378, 126983, 149067, 253966, 298134, 380949, 447201, 761898, 894402, 1142847, 2285694, 3428541, 6857082, 10285623, 20571246]

約数ペア:

[(1, 20571246), (2, 10285623), (3, 6857082), (6, 3428541), (9, 2285694), (18, 1142847), (23, 894402), (27, 761898), (46, 447201), (54, 380949), (69, 298134), (81, 253966), (138, 149067), (162, 126983), (207, 99378), (414, 49689), (621, 33126), (1242, 16563), (1863, 11042), (3726, 5521)]