20492080203

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{51358597}}^1$

素因数の和:51358626

約数の個数: 16

約数和(自身を含む): 32869502720

約数和(自身を除く): 12377422517

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 51358597, 154075791, 359510179, 975813343, 1078530537, 2927440029, 6830693401, 20492080203]

約数ペア:

[(1, 20492080203), (3, 6830693401), (7, 2927440029), (19, 1078530537), (21, 975813343), (57, 359510179), (133, 154075791), (399, 51358597)]