20182288

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2281}}^1$

素因数の和:2375

約数の個数: 40

約数和(自身を含む): 45274880

約数和(自身を除く): 25092592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 316, 553, 632, 1106, 1264, 2212, 2281, 4424, 4562, 8848, 9124, 15967, 18248, 31934, 36496, 63868, 127736, 180199, 255472, 360398, 720796, 1261393, 1441592, 2522786, 2883184, 5045572, 10091144, 20182288]

約数ペア:

[(1, 20182288), (2, 10091144), (4, 5045572), (7, 2883184), (8, 2522786), (14, 1441592), (16, 1261393), (28, 720796), (56, 360398), (79, 255472), (112, 180199), (158, 127736), (316, 63868), (553, 36496), (632, 31934), (1106, 18248), (1264, 15967), (2212, 9124), (2281, 8848), (4424, 4562)]