20889195

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{269}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 13947285

約数列:

[1, 3, 5, 15, 31, 93, 155, 167, 269, 465, 501, 807, 835, 1345, 2505, 4035, 5177, 8339, 15531, 25017, 25885, 41695, 44923, 77655, 125085, 134769, 224615, 673845, 1392613, 4177839, 6963065, 20889195]

約数ペア:

[(1, 20889195), (3, 6963065), (5, 4177839), (15, 1392613), (31, 673845), (93, 224615), (155, 134769), (167, 125085), (269, 77655), (465, 44923), (501, 41695), (807, 25885), (835, 25017), (1345, 15531), (2505, 8339), (4035, 5177)]