20378148

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:213

約数の個数: 96

約数和(自身を含む): 57163008

約数和(自身を除く): 36784860

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 61, 82, 84, 97, 122, 123, 164, 183, 194, 244, 246, 287, 291, 366, 388, 427, 492, 574, 582, 679, 732, 854, 861, 1148, 1164, 1281, 1358, 1708, 1722, 2037, 2501, 2562, 2716, 3444, 3977, 4074, 5002, 5124, 5917, 7503, 7954, 8148, 10004, 11834, 11931, 15006, 15908, 17507, 17751, 23668, 23862, 27839, 30012, 35014, 35502, 41419, 47724, 52521, 55678, 70028, 71004, 82838, 83517, 105042, 111356, 124257, 165676, 167034, 210084, 242597, 248514, 334068, 485194, 497028, 727791, 970388, 1455582, 1698179, 2911164, 3396358, 5094537, 6792716, 10189074, 20378148]

約数ペア:

[(1, 20378148), (2, 10189074), (3, 6792716), (4, 5094537), (6, 3396358), (7, 2911164), (12, 1698179), (14, 1455582), (21, 970388), (28, 727791), (41, 497028), (42, 485194), (61, 334068), (82, 248514), (84, 242597), (97, 210084), (122, 167034), (123, 165676), (164, 124257), (183, 111356), (194, 105042), (244, 83517), (246, 82838), (287, 71004), (291, 70028), (366, 55678), (388, 52521), (427, 47724), (492, 41419), (574, 35502), (582, 35014), (679, 30012), (732, 27839), (854, 23862), (861, 23668), (1148, 17751), (1164, 17507), (1281, 15908), (1358, 15006), (1708, 11931), (1722, 11834), (2037, 10004), (2501, 8148), (2562, 7954), (2716, 7503), (3444, 5917), (3977, 5124), (4074, 5002)]