20199145935

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{401}}^1\times {\mathrm{787}}^1$

素因数の和:1464

約数の個数: 64

約数和(自身を含む): 34485502464

約数和(自身を除く): 14286356529

約数列:

[1, 3, 5, 15, 17, 51, 85, 251, 255, 401, 753, 787, 1203, 1255, 2005, 2361, 3765, 3935, 4267, 6015, 6817, 11805, 12801, 13379, 20451, 21335, 34085, 40137, 64005, 66895, 100651, 102255, 197537, 200685, 301953, 315587, 503255, 592611, 946761, 987685, 1509765, 1577935, 1711067, 2963055, 3358129, 4733805, 5133201, 5364979, 8555335, 10074387, 16094937, 16790645, 25666005, 26824895, 50371935, 79212337, 80474685, 237637011, 396061685, 1188185055, 1346609729, 4039829187, 6733048645, 20199145935]

約数ペア:

[(1, 20199145935), (3, 6733048645), (5, 4039829187), (15, 1346609729), (17, 1188185055), (51, 396061685), (85, 237637011), (251, 80474685), (255, 79212337), (401, 50371935), (753, 26824895), (787, 25666005), (1203, 16790645), (1255, 16094937), (2005, 10074387), (2361, 8555335), (3765, 5364979), (3935, 5133201), (4267, 4733805), (6015, 3358129), (6817, 2963055), (11805, 1711067), (12801, 1577935), (13379, 1509765), (20451, 987685), (21335, 946761), (34085, 592611), (40137, 503255), (64005, 315587), (66895, 301953), (100651, 200685), (102255, 197537)]