20218557045

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{347}}^1\times {\mathrm{13441}}^1$

素因数の和:13830

約数の個数: 48

約数和(自身を含む): 34466148288

約数和(自身を除く): 14247591243

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 347, 867, 1041, 1445, 1735, 4335, 5205, 5899, 13441, 17697, 29495, 40323, 67205, 88485, 100283, 201615, 228497, 300849, 501415, 685491, 1142485, 1504245, 3427455, 3884449, 4664027, 11653347, 13992081, 19422245, 23320135, 58266735, 69960405, 79288459, 237865377, 396442295, 1189326885, 1347903803, 4043711409, 6739519015, 20218557045]

約数ペア:

[(1, 20218557045), (3, 6739519015), (5, 4043711409), (15, 1347903803), (17, 1189326885), (51, 396442295), (85, 237865377), (255, 79288459), (289, 69960405), (347, 58266735), (867, 23320135), (1041, 19422245), (1445, 13992081), (1735, 11653347), (4335, 4664027), (5205, 3884449), (5899, 3427455), (13441, 1504245), (17697, 1142485), (29495, 685491), (40323, 501415), (67205, 300849), (88485, 228497), (100283, 201615)]