20463855

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1217}}^1$

素因数の和:1303

約数の個数: 32

約数和(自身を含む): 35078400

約数和(自身を除く): 14614545

約数列:

[1, 3, 5, 15, 19, 57, 59, 95, 177, 285, 295, 885, 1121, 1217, 3363, 3651, 5605, 6085, 16815, 18255, 23123, 69369, 71803, 115615, 215409, 346845, 359015, 1077045, 1364257, 4092771, 6821285, 20463855]

約数ペア:

[(1, 20463855), (3, 6821285), (5, 4092771), (15, 1364257), (19, 1077045), (57, 359015), (59, 346845), (95, 215409), (177, 115615), (285, 71803), (295, 69369), (885, 23123), (1121, 18255), (1217, 16815), (3363, 6085), (3651, 5605)]