20132950

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^2\times {\mathrm{419}}^1$

素因数の和:493

約数の個数: 36

約数和(自身を含む): 38786580

約数和(自身を除く): 18653630

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 419, 775, 838, 961, 1550, 1922, 2095, 4190, 4805, 9610, 10475, 12989, 20950, 24025, 25978, 48050, 64945, 129890, 324725, 402659, 649450, 805318, 2013295, 4026590, 10066475, 20132950]

約数ペア:

[(1, 20132950), (2, 10066475), (5, 4026590), (10, 2013295), (25, 805318), (31, 649450), (50, 402659), (62, 324725), (155, 129890), (310, 64945), (419, 48050), (775, 25978), (838, 24025), (961, 20950), (1550, 12989), (1922, 10475), (2095, 9610), (4190, 4805)]