20512488008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1153}}^1\times {\mathrm{117043}}^1$

素因数の和:118221

約数の個数: 32

約数和(自身を含む): 40520632800

約数和(自身を除く): 20008144792

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1153, 2306, 4612, 9224, 21907, 43814, 87628, 117043, 175256, 234086, 468172, 936344, 2223817, 4447634, 8895268, 17790536, 134950579, 269901158, 539802316, 1079604632, 2564061001, 5128122002, 10256244004, 20512488008]

約数ペア:

[(1, 20512488008), (2, 10256244004), (4, 5128122002), (8, 2564061001), (19, 1079604632), (38, 539802316), (76, 269901158), (152, 134950579), (1153, 17790536), (2306, 8895268), (4612, 4447634), (9224, 2223817), (21907, 936344), (43814, 468172), (87628, 234086), (117043, 175256)]