20145786618

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{356929}}^1$

素因数の和:357366

約数の個数: 32

約数和(自身を含む): 42146294400

約数和(自身を除く): 22000507782

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 409, 818, 1227, 2454, 9407, 18814, 28221, 56442, 356929, 713858, 1070787, 2141574, 8209367, 16418734, 24628101, 49256202, 145983961, 291967922, 437951883, 875903766, 3357631103, 6715262206, 10072893309, 20145786618]

約数ペア:

[(1, 20145786618), (2, 10072893309), (3, 6715262206), (6, 3357631103), (23, 875903766), (46, 437951883), (69, 291967922), (138, 145983961), (409, 49256202), (818, 24628101), (1227, 16418734), (2454, 8209367), (9407, 2141574), (18814, 1070787), (28221, 713858), (56442, 356929)]