20129892129

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{227603}}^1$

素因数の和:227957

約数の個数: 24

約数和(自身を含む): 30109277952

約数和(自身を除く): 9979385823

約数列:

[1, 3, 9, 31, 93, 279, 317, 951, 2853, 9827, 29481, 88443, 227603, 682809, 2048427, 7055693, 21167079, 63501237, 72150151, 216450453, 649351359, 2236654681, 6709964043, 20129892129]

約数ペア:

[(1, 20129892129), (3, 6709964043), (9, 2236654681), (31, 649351359), (93, 216450453), (279, 72150151), (317, 63501237), (951, 21167079), (2853, 7055693), (9827, 2048427), (29481, 682809), (88443, 227603)]