20045766

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{373}}^1$

素因数の和:457

約数の個数: 48

約数和(自身を含む): 44350416

約数和(自身を除く): 24304650

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 159, 169, 318, 338, 373, 507, 689, 746, 1014, 1119, 1378, 2067, 2238, 4134, 4849, 8957, 9698, 14547, 17914, 19769, 26871, 29094, 39538, 53742, 59307, 63037, 118614, 126074, 189111, 256997, 378222, 513994, 770991, 1541982, 3340961, 6681922, 10022883, 20045766]

約数ペア:

[(1, 20045766), (2, 10022883), (3, 6681922), (6, 3340961), (13, 1541982), (26, 770991), (39, 513994), (53, 378222), (78, 256997), (106, 189111), (159, 126074), (169, 118614), (318, 63037), (338, 59307), (373, 53742), (507, 39538), (689, 29094), (746, 26871), (1014, 19769), (1119, 17914), (1378, 14547), (2067, 9698), (2238, 8957), (4134, 4849)]