20009028

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2729}}^1$

素因数の和:2796

約数の個数: 48

約数和(自身を含む): 51367680

約数和(自身を除く): 31358652

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 47, 52, 78, 94, 141, 156, 188, 282, 564, 611, 1222, 1833, 2444, 2729, 3666, 5458, 7332, 8187, 10916, 16374, 32748, 35477, 70954, 106431, 128263, 141908, 212862, 256526, 384789, 425724, 513052, 769578, 1539156, 1667419, 3334838, 5002257, 6669676, 10004514, 20009028]

約数ペア:

[(1, 20009028), (2, 10004514), (3, 6669676), (4, 5002257), (6, 3334838), (12, 1667419), (13, 1539156), (26, 769578), (39, 513052), (47, 425724), (52, 384789), (78, 256526), (94, 212862), (141, 141908), (156, 128263), (188, 106431), (282, 70954), (564, 35477), (611, 32748), (1222, 16374), (1833, 10916), (2444, 8187), (2729, 7332), (3666, 5458)]