201720976

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{77347}}^1$

素因数の和:77518

約数の個数: 20

約数和(自身を含む): 393237232

約数和(自身を除く): 191516256

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 77347, 154694, 309388, 618776, 1237552, 12607561, 25215122, 50430244, 100860488, 201720976]

約数ペア:

[(1, 201720976), (2, 100860488), (4, 50430244), (8, 25215122), (16, 12607561), (163, 1237552), (326, 618776), (652, 309388), (1304, 154694), (2608, 77347)]