20717296

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2963}}^1$

素因数の和:3013

約数の個数: 40

約数和(自身を含む): 44104320

約数和(自身を除く): 23387024

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 152, 184, 304, 368, 437, 874, 1748, 2963, 3496, 5926, 6992, 11852, 23704, 47408, 56297, 68149, 112594, 136298, 225188, 272596, 450376, 545192, 900752, 1090384, 1294831, 2589662, 5179324, 10358648, 20717296]

約数ペア:

[(1, 20717296), (2, 10358648), (4, 5179324), (8, 2589662), (16, 1294831), (19, 1090384), (23, 900752), (38, 545192), (46, 450376), (76, 272596), (92, 225188), (152, 136298), (184, 112594), (304, 68149), (368, 56297), (437, 47408), (874, 23704), (1748, 11852), (2963, 6992), (3496, 5926)]