20906493

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{4783}}^1$

素因数の和:4864

約数の個数: 16

約数和(自身を含む): 29392896

約数和(自身を除く): 8486403

約数列:

[1, 3, 31, 47, 93, 141, 1457, 4371, 4783, 14349, 148273, 224801, 444819, 674403, 6968831, 20906493]

約数ペア:

[(1, 20906493), (3, 6968831), (31, 674403), (47, 444819), (93, 224801), (141, 148273), (1457, 14349), (4371, 4783)]