16820895

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12323}}^1$

素因数の和:12351

約数の個数: 32

約数和(自身を含む): 33126912

約数和(自身を除く): 16306017

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 12323, 36969, 61615, 86261, 160199, 184845, 258783, 431305, 480597, 800995, 1121393, 1293915, 2402985, 3364179, 5606965, 16820895]

約数ペア:

[(1, 16820895), (3, 5606965), (5, 3364179), (7, 2402985), (13, 1293915), (15, 1121393), (21, 800995), (35, 480597), (39, 431305), (65, 258783), (91, 184845), (105, 160199), (195, 86261), (273, 61615), (455, 36969), (1365, 12323)]