20187970528

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{972071}}^1$

素因数の和:972151

約数の個数: 48

約数和(自身を含む): 44093185920

約数和(自身を除く): 23905215392

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 59, 88, 118, 176, 236, 352, 472, 649, 944, 1298, 1888, 2596, 5192, 10384, 20768, 972071, 1944142, 3888284, 7776568, 10692781, 15553136, 21385562, 31106272, 42771124, 57352189, 85542248, 114704378, 171084496, 229408756, 342168992, 458817512, 630874079, 917635024, 1261748158, 1835270048, 2523496316, 5046992632, 10093985264, 20187970528]

約数ペア:

[(1, 20187970528), (2, 10093985264), (4, 5046992632), (8, 2523496316), (11, 1835270048), (16, 1261748158), (22, 917635024), (32, 630874079), (44, 458817512), (59, 342168992), (88, 229408756), (118, 171084496), (176, 114704378), (236, 85542248), (352, 57352189), (472, 42771124), (649, 31106272), (944, 21385562), (1298, 15553136), (1888, 10692781), (2596, 7776568), (5192, 3888284), (10384, 1944142), (20768, 972071)]