20367242

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:231

約数の個数: 48

約数和(自身を含む): 37662408

約数和(自身を除く): 17295166

約数列:

[1, 2, 7, 14, 37, 41, 49, 74, 82, 98, 137, 259, 274, 287, 518, 574, 959, 1517, 1813, 1918, 2009, 3034, 3626, 4018, 5069, 5617, 6713, 10138, 10619, 11234, 13426, 21238, 35483, 39319, 70966, 74333, 78638, 148666, 207829, 248381, 275233, 415658, 496762, 550466, 1454803, 2909606, 10183621, 20367242]

約数ペア:

[(1, 20367242), (2, 10183621), (7, 2909606), (14, 1454803), (37, 550466), (41, 496762), (49, 415658), (74, 275233), (82, 248381), (98, 207829), (137, 148666), (259, 78638), (274, 74333), (287, 70966), (518, 39319), (574, 35483), (959, 21238), (1517, 13426), (1813, 11234), (1918, 10619), (2009, 10138), (3034, 6713), (3626, 5617), (4018, 5069)]