20763390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{499}}^1$

素因数の和:601

約数の個数: 64

約数和(自身を含む): 53280000

約数和(自身を除く): 32516610

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 73, 95, 114, 146, 190, 219, 285, 365, 438, 499, 570, 730, 998, 1095, 1387, 1497, 2190, 2495, 2774, 2994, 4161, 4990, 6935, 7485, 8322, 9481, 13870, 14970, 18962, 20805, 28443, 36427, 41610, 47405, 56886, 72854, 94810, 109281, 142215, 182135, 218562, 284430, 364270, 546405, 692113, 1092810, 1384226, 2076339, 3460565, 4152678, 6921130, 10381695, 20763390]

約数ペア:

[(1, 20763390), (2, 10381695), (3, 6921130), (5, 4152678), (6, 3460565), (10, 2076339), (15, 1384226), (19, 1092810), (30, 692113), (38, 546405), (57, 364270), (73, 284430), (95, 218562), (114, 182135), (146, 142215), (190, 109281), (219, 94810), (285, 72854), (365, 56886), (438, 47405), (499, 41610), (570, 36427), (730, 28443), (998, 20805), (1095, 18962), (1387, 14970), (1497, 13870), (2190, 9481), (2495, 8322), (2774, 7485), (2994, 6935), (4161, 4990)]