20161987188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{725147}}^1$

素因数の和:725492

約数の個数: 48

約数和(自身を含む): 53927806464

約数和(自身を除く): 33765819276

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 331, 662, 993, 1324, 1986, 2317, 3972, 4634, 6951, 9268, 13902, 27804, 725147, 1450294, 2175441, 2900588, 4350882, 5076029, 8701764, 10152058, 15228087, 20304116, 30456174, 60912348, 240023657, 480047314, 720070971, 960094628, 1440141942, 1680165599, 2880283884, 3360331198, 5040496797, 6720662396, 10080993594, 20161987188]

約数ペア:

[(1, 20161987188), (2, 10080993594), (3, 6720662396), (4, 5040496797), (6, 3360331198), (7, 2880283884), (12, 1680165599), (14, 1440141942), (21, 960094628), (28, 720070971), (42, 480047314), (84, 240023657), (331, 60912348), (662, 30456174), (993, 20304116), (1324, 15228087), (1986, 10152058), (2317, 8701764), (3972, 5076029), (4634, 4350882), (6951, 2900588), (9268, 2175441), (13902, 1450294), (27804, 725147)]