20359206

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{563}}^1$

素因数の和:626

約数の個数: 72

約数和(自身を含む): 52658424

約数和(自身を除く): 32299218

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 49, 63, 82, 98, 123, 126, 147, 246, 287, 294, 369, 441, 563, 574, 738, 861, 882, 1126, 1689, 1722, 2009, 2583, 3378, 3941, 4018, 5067, 5166, 6027, 7882, 10134, 11823, 12054, 18081, 23083, 23646, 27587, 35469, 36162, 46166, 55174, 69249, 70938, 82761, 138498, 161581, 165522, 207747, 248283, 323162, 415494, 484743, 496566, 969486, 1131067, 1454229, 2262134, 2908458, 3393201, 6786402, 10179603, 20359206]

約数ペア:

[(1, 20359206), (2, 10179603), (3, 6786402), (6, 3393201), (7, 2908458), (9, 2262134), (14, 1454229), (18, 1131067), (21, 969486), (41, 496566), (42, 484743), (49, 415494), (63, 323162), (82, 248283), (98, 207747), (123, 165522), (126, 161581), (147, 138498), (246, 82761), (287, 70938), (294, 69249), (369, 55174), (441, 46166), (563, 36162), (574, 35469), (738, 27587), (861, 23646), (882, 23083), (1126, 18081), (1689, 12054), (1722, 11823), (2009, 10134), (2583, 7882), (3378, 6027), (3941, 5166), (4018, 5067)]