20371195

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 27760320

約数和(自身を除く): 7389125

約数列:

[1, 5, 13, 29, 65, 101, 107, 145, 377, 505, 535, 1313, 1391, 1885, 2929, 3103, 6565, 6955, 10807, 14645, 15515, 38077, 40339, 54035, 140491, 190385, 201695, 313403, 702455, 1567015, 4074239, 20371195]

約数ペア:

[(1, 20371195), (5, 4074239), (13, 1567015), (29, 702455), (65, 313403), (101, 201695), (107, 190385), (145, 140491), (377, 54035), (505, 40339), (535, 38077), (1313, 15515), (1391, 14645), (1885, 10807), (2929, 6955), (3103, 6565)]