20879026

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2371}}^1$

素因数の和:2434

約数の個数: 32

約数和(自身を含む): 38938752

約数和(自身を除く): 18059726

約数列:

[1, 2, 7, 14, 17, 34, 37, 74, 119, 238, 259, 518, 629, 1258, 2371, 4403, 4742, 8806, 16597, 33194, 40307, 80614, 87727, 175454, 282149, 564298, 614089, 1228178, 1491359, 2982718, 10439513, 20879026]

約数ペア:

[(1, 20879026), (2, 10439513), (7, 2982718), (14, 1491359), (17, 1228178), (34, 614089), (37, 564298), (74, 282149), (119, 175454), (238, 87727), (259, 80614), (518, 40307), (629, 33194), (1258, 16597), (2371, 8806), (4403, 4742)]