20302364155

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{641}}^1\times {\mathrm{953}}^1$

素因数の和:1656

約数の個数: 48

約数和(自身を含む): 27075985344

約数和(自身を除く): 6773621189

約数列:

[1, 5, 17, 23, 85, 115, 289, 391, 641, 953, 1445, 1955, 3205, 4765, 6647, 10897, 14743, 16201, 21919, 33235, 54485, 73715, 81005, 109595, 185249, 250631, 275417, 372623, 610873, 926245, 1253155, 1377085, 1863115, 3054365, 4260727, 6334591, 10384841, 14050079, 21303635, 31672955, 51924205, 70250395, 176542297, 238851343, 882711485, 1194256715, 4060472831, 20302364155]

約数ペア:

[(1, 20302364155), (5, 4060472831), (17, 1194256715), (23, 882711485), (85, 238851343), (115, 176542297), (289, 70250395), (391, 51924205), (641, 31672955), (953, 21303635), (1445, 14050079), (1955, 10384841), (3205, 6334591), (4765, 4260727), (6647, 3054365), (10897, 1863115), (14743, 1377085), (16201, 1253155), (21919, 926245), (33235, 610873), (54485, 372623), (73715, 275417), (81005, 250631), (109595, 185249)]