20120457872

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{271}}^1\times {\mathrm{33871}}^1$

素因数の和:34287

約数の個数: 40

約数和(自身を含む): 39414001152

約数和(自身を除く): 19293543280

約数列:

[1, 2, 4, 8, 16, 137, 271, 274, 542, 548, 1084, 1096, 2168, 2192, 4336, 33871, 37127, 67742, 74254, 135484, 148508, 270968, 297016, 541936, 594032, 4640327, 9179041, 9280654, 18358082, 18561308, 36716164, 37122616, 73432328, 74245232, 146864656, 1257528617, 2515057234, 5030114468, 10060228936, 20120457872]

約数ペア:

[(1, 20120457872), (2, 10060228936), (4, 5030114468), (8, 2515057234), (16, 1257528617), (137, 146864656), (271, 74245232), (274, 73432328), (542, 37122616), (548, 36716164), (1084, 18561308), (1096, 18358082), (2168, 9280654), (2192, 9179041), (4336, 4640327), (33871, 594032), (37127, 541936), (67742, 297016), (74254, 270968), (135484, 148508)]