20182720

素因数分解:

$2^6\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1069}}^1$

素因数の和:1145

約数の個数: 56

約数和(自身を含む): 48920400

約数和(自身を除く): 28737680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 160, 236, 295, 320, 472, 590, 944, 1069, 1180, 1888, 2138, 2360, 3776, 4276, 4720, 5345, 8552, 9440, 10690, 17104, 18880, 21380, 34208, 42760, 63071, 68416, 85520, 126142, 171040, 252284, 315355, 342080, 504568, 630710, 1009136, 1261420, 2018272, 2522840, 4036544, 5045680, 10091360, 20182720]

約数ペア:

[(1, 20182720), (2, 10091360), (4, 5045680), (5, 4036544), (8, 2522840), (10, 2018272), (16, 1261420), (20, 1009136), (32, 630710), (40, 504568), (59, 342080), (64, 315355), (80, 252284), (118, 171040), (160, 126142), (236, 85520), (295, 68416), (320, 63071), (472, 42760), (590, 34208), (944, 21380), (1069, 18880), (1180, 17104), (1888, 10690), (2138, 9440), (2360, 8552), (3776, 5345), (4276, 4720)]