20772564477

素因数分解:

$3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{863}}^1\times {\mathrm{4079}}^1$

素因数の和:5233

約数の個数: 32

約数和(自身を含む): 31810682880

約数和(自身を除く): 11038118403

約数列:

[1, 3, 7, 21, 281, 843, 863, 1967, 2589, 4079, 5901, 6041, 12237, 18123, 28553, 85659, 242503, 727509, 1146199, 1697521, 3438597, 3520177, 5092563, 8023393, 10560531, 24070179, 24641239, 73923717, 989169737, 2967509211, 6924188159, 20772564477]

約数ペア:

[(1, 20772564477), (3, 6924188159), (7, 2967509211), (21, 989169737), (281, 73923717), (843, 24641239), (863, 24070179), (1967, 10560531), (2589, 8023393), (4079, 5092563), (5901, 3520177), (6041, 3438597), (12237, 1697521), (18123, 1146199), (28553, 727509), (85659, 242503)]