20944098

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1471}}^1$

素因数の和:1599

約数の個数: 48

約数和(自身を含む): 52356096

約数和(自身を除く): 31411998

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 113, 126, 226, 339, 678, 791, 1017, 1471, 1582, 2034, 2373, 2942, 4413, 4746, 7119, 8826, 10297, 13239, 14238, 20594, 26478, 30891, 61782, 92673, 166223, 185346, 332446, 498669, 997338, 1163561, 1496007, 2327122, 2992014, 3490683, 6981366, 10472049, 20944098]

約数ペア:

[(1, 20944098), (2, 10472049), (3, 6981366), (6, 3490683), (7, 2992014), (9, 2327122), (14, 1496007), (18, 1163561), (21, 997338), (42, 498669), (63, 332446), (113, 185346), (126, 166223), (226, 92673), (339, 61782), (678, 30891), (791, 26478), (1017, 20594), (1471, 14238), (1582, 13239), (2034, 10297), (2373, 8826), (2942, 7119), (4413, 4746)]