16572820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1061}}^1$

素因数の和:1152

約数の個数: 48

約数和(自身を含む): 38537856

約数和(自身を除く): 21965036

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1061, 1420, 1562, 2122, 3124, 3905, 4244, 5305, 7810, 10610, 11671, 15620, 21220, 23342, 46684, 58355, 75331, 116710, 150662, 233420, 301324, 376655, 753310, 828641, 1506620, 1657282, 3314564, 4143205, 8286410, 16572820]

約数ペア:

[(1, 16572820), (2, 8286410), (4, 4143205), (5, 3314564), (10, 1657282), (11, 1506620), (20, 828641), (22, 753310), (44, 376655), (55, 301324), (71, 233420), (110, 150662), (142, 116710), (220, 75331), (284, 58355), (355, 46684), (710, 23342), (781, 21220), (1061, 15620), (1420, 11671), (1562, 10610), (2122, 7810), (3124, 5305), (3905, 4244)]