20121609820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5953139}}^1$

素因数の和:5953174

約数の個数: 36

約数和(自身を含む): 45755834040

約数和(自身を除く): 25634224220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 5953139, 11906278, 23812556, 29765695, 59531390, 77390807, 119062780, 154781614, 309563228, 386954035, 773908070, 1006080491, 1547816140, 2012160982, 4024321964, 5030402455, 10060804910, 20121609820]

約数ペア:

[(1, 20121609820), (2, 10060804910), (4, 5030402455), (5, 4024321964), (10, 2012160982), (13, 1547816140), (20, 1006080491), (26, 773908070), (52, 386954035), (65, 309563228), (130, 154781614), (169, 119062780), (260, 77390807), (338, 59531390), (676, 29765695), (845, 23812556), (1690, 11906278), (3380, 5953139)]