20807202843

素因数分解:

$3^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1\times {\mathrm{10039}}^1$

素因数の和:10416

約数の個数: 48

約数和(自身を含む): 34732938240

約数和(自身を除く): 13925735397

約数列:

[1, 3, 7, 9, 21, 63, 167, 197, 501, 591, 1169, 1379, 1503, 1773, 3507, 4137, 10039, 10521, 12411, 30117, 32899, 70273, 90351, 98697, 210819, 230293, 296091, 632457, 690879, 1676513, 1977683, 2072637, 5029539, 5933049, 11735591, 13843781, 15088617, 17799147, 35206773, 41531343, 105620319, 124594029, 330273061, 990819183, 2311911427, 2972457549, 6935734281, 20807202843]

約数ペア:

[(1, 20807202843), (3, 6935734281), (7, 2972457549), (9, 2311911427), (21, 990819183), (63, 330273061), (167, 124594029), (197, 105620319), (501, 41531343), (591, 35206773), (1169, 17799147), (1379, 15088617), (1503, 13843781), (1773, 11735591), (3507, 5933049), (4137, 5029539), (10039, 2072637), (10521, 1977683), (12411, 1676513), (30117, 690879), (32899, 632457), (70273, 296091), (90351, 230293), (98697, 210819)]