20794345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 29675520

約数和(自身を除く): 8881175

約数列:

[1, 5, 11, 13, 55, 65, 127, 143, 229, 635, 715, 1145, 1397, 1651, 2519, 2977, 6985, 8255, 12595, 14885, 18161, 29083, 32747, 90805, 145415, 163735, 319913, 378079, 1599565, 1890395, 4158869, 20794345]

約数ペア:

[(1, 20794345), (5, 4158869), (11, 1890395), (13, 1599565), (55, 378079), (65, 319913), (127, 163735), (143, 145415), (229, 90805), (635, 32747), (715, 29083), (1145, 18161), (1397, 14885), (1651, 12595), (2519, 8255), (2977, 6985)]