20194708495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{46727}}^1$

素因数の和:46915

約数の個数: 32

約数和(自身を含む): 26769536640

約数和(自身を除く): 6574828145

約数列:

[1, 5, 13, 61, 65, 109, 305, 545, 793, 1417, 3965, 6649, 7085, 33245, 46727, 86437, 233635, 432185, 607451, 2850347, 3037255, 5093243, 14251735, 25466215, 37054511, 66212159, 185272555, 310687823, 331060795, 1553439115, 4038941699, 20194708495]

約数ペア:

[(1, 20194708495), (5, 4038941699), (13, 1553439115), (61, 331060795), (65, 310687823), (109, 185272555), (305, 66212159), (545, 37054511), (793, 25466215), (1417, 14251735), (3965, 5093243), (6649, 3037255), (7085, 2850347), (33245, 607451), (46727, 432185), (86437, 233635)]