20040105

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1$

素因数の和:717

約数の個数: 32

約数和(自身を含む): 33619968

約数和(自身を除く): 13579863

約数列:

[1, 3, 5, 15, 31, 71, 93, 155, 213, 355, 465, 607, 1065, 1821, 2201, 3035, 6603, 9105, 11005, 18817, 33015, 43097, 56451, 94085, 129291, 215485, 282255, 646455, 1336007, 4008021, 6680035, 20040105]

約数ペア:

[(1, 20040105), (3, 6680035), (5, 4008021), (15, 1336007), (31, 646455), (71, 282255), (93, 215485), (155, 129291), (213, 94085), (355, 56451), (465, 43097), (607, 33015), (1065, 18817), (1821, 11005), (2201, 9105), (3035, 6603)]