20645030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12823}}^1$

素因数の和:12860

約数の個数: 32

約数和(自身を含む): 44319744

約数和(自身を除く): 23674714

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 12823, 25646, 64115, 89761, 128230, 179522, 294929, 448805, 589858, 897610, 1474645, 2064503, 2949290, 4129006, 10322515, 20645030]

約数ペア:

[(1, 20645030), (2, 10322515), (5, 4129006), (7, 2949290), (10, 2064503), (14, 1474645), (23, 897610), (35, 589858), (46, 448805), (70, 294929), (115, 179522), (161, 128230), (230, 89761), (322, 64115), (805, 25646), (1610, 12823)]