20118113860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{192961}}^1$

素因数の和:193384

約数の個数: 48

約数和(自身を含む): 45611585712

約数和(自身を除く): 25493471852

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 401, 802, 1604, 2005, 4010, 5213, 8020, 10426, 20852, 26065, 52130, 104260, 192961, 385922, 771844, 964805, 1929610, 2508493, 3859220, 5016986, 10033972, 12542465, 25084930, 50169860, 77377361, 154754722, 309509444, 386886805, 773773610, 1005905693, 1547547220, 2011811386, 4023622772, 5029528465, 10059056930, 20118113860]

約数ペア:

[(1, 20118113860), (2, 10059056930), (4, 5029528465), (5, 4023622772), (10, 2011811386), (13, 1547547220), (20, 1005905693), (26, 773773610), (52, 386886805), (65, 309509444), (130, 154754722), (260, 77377361), (401, 50169860), (802, 25084930), (1604, 12542465), (2005, 10033972), (4010, 5016986), (5213, 3859220), (8020, 2508493), (10426, 1929610), (20852, 964805), (26065, 771844), (52130, 385922), (104260, 192961)]