20465921

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2549}}^1$

素因数の和:2624

約数の個数: 16

約数和(自身を含む): 24806400

約数和(自身を除く): 4340479

約数列:

[1, 7, 31, 37, 217, 259, 1147, 2549, 8029, 17843, 79019, 94313, 553133, 660191, 2923703, 20465921]

約数ペア:

[(1, 20465921), (7, 2923703), (31, 660191), (37, 553133), (217, 94313), (259, 79019), (1147, 17843), (2549, 8029)]