20675344

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2957}}^1$

素因数の和:3007

約数の個数: 40

約数和(自身を含む): 44015040

約数和(自身を除く): 23339696

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 152, 184, 304, 368, 437, 874, 1748, 2957, 3496, 5914, 6992, 11828, 23656, 47312, 56183, 68011, 112366, 136022, 224732, 272044, 449464, 544088, 898928, 1088176, 1292209, 2584418, 5168836, 10337672, 20675344]

約数ペア:

[(1, 20675344), (2, 10337672), (4, 5168836), (8, 2584418), (16, 1292209), (19, 1088176), (23, 898928), (38, 544088), (46, 449464), (76, 272044), (92, 224732), (152, 136022), (184, 112366), (304, 68011), (368, 56183), (437, 47312), (874, 23656), (1748, 11828), (2957, 6992), (3496, 5914)]