20548926

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 46126080

約数和(自身を除く): 25577154

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 139, 191, 258, 278, 382, 387, 417, 573, 774, 834, 1146, 1251, 1719, 2502, 3438, 5977, 8213, 11954, 16426, 17931, 24639, 26549, 35862, 49278, 53098, 53793, 73917, 79647, 107586, 147834, 159294, 238941, 477882, 1141607, 2283214, 3424821, 6849642, 10274463, 20548926]

約数ペア:

[(1, 20548926), (2, 10274463), (3, 6849642), (6, 3424821), (9, 2283214), (18, 1141607), (43, 477882), (86, 238941), (129, 159294), (139, 147834), (191, 107586), (258, 79647), (278, 73917), (382, 53793), (387, 53098), (417, 49278), (573, 35862), (774, 26549), (834, 24639), (1146, 17931), (1251, 16426), (1719, 11954), (2502, 8213), (3438, 5977)]