20945410

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4793}}^1$

素因数の和:4842

約数の個数: 32

約数和(自身を含む): 41420160

約数和(自身を除く): 20474750

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 4793, 9586, 23965, 47930, 91067, 110239, 182134, 220478, 455335, 551195, 910670, 1102390, 2094541, 4189082, 10472705, 20945410]

約数ペア:

[(1, 20945410), (2, 10472705), (5, 4189082), (10, 2094541), (19, 1102390), (23, 910670), (38, 551195), (46, 455335), (95, 220478), (115, 182134), (190, 110239), (230, 91067), (437, 47930), (874, 23965), (2185, 9586), (4370, 4793)]