20935088

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:465

約数の個数: 40

約数和(自身を含む): 41991360

約数和(自身を除く): 21056272

約数列:

[1, 2, 4, 8, 16, 59, 67, 118, 134, 236, 268, 331, 472, 536, 662, 944, 1072, 1324, 2648, 3953, 5296, 7906, 15812, 19529, 22177, 31624, 39058, 44354, 63248, 78116, 88708, 156232, 177416, 312464, 354832, 1308443, 2616886, 5233772, 10467544, 20935088]

約数ペア:

[(1, 20935088), (2, 10467544), (4, 5233772), (8, 2616886), (16, 1308443), (59, 354832), (67, 312464), (118, 177416), (134, 156232), (236, 88708), (268, 78116), (331, 63248), (472, 44354), (536, 39058), (662, 31624), (944, 22177), (1072, 19529), (1324, 15812), (2648, 7906), (3953, 5296)]