20493522

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3967}}^1$

素因数の和:4023

約数の個数: 48

約数和(自身を含む): 51996672

約数和(自身を除く): 31503150

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 63, 82, 123, 126, 246, 287, 369, 574, 738, 861, 1722, 2583, 3967, 5166, 7934, 11901, 23802, 27769, 35703, 55538, 71406, 83307, 162647, 166614, 249921, 325294, 487941, 499842, 975882, 1138529, 1463823, 2277058, 2927646, 3415587, 6831174, 10246761, 20493522]

約数ペア:

[(1, 20493522), (2, 10246761), (3, 6831174), (6, 3415587), (7, 2927646), (9, 2277058), (14, 1463823), (18, 1138529), (21, 975882), (41, 499842), (42, 487941), (63, 325294), (82, 249921), (123, 166614), (126, 162647), (246, 83307), (287, 71406), (369, 55538), (574, 35703), (738, 27769), (861, 23802), (1722, 11901), (2583, 7934), (3967, 5166)]