20906556

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{3863}}^1$

素因数の和:3922

約数の個数: 48

約数和(自身を含む): 54528768

約数和(自身を除く): 33622212

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 41, 44, 66, 82, 123, 132, 164, 246, 451, 492, 902, 1353, 1804, 2706, 3863, 5412, 7726, 11589, 15452, 23178, 42493, 46356, 84986, 127479, 158383, 169972, 254958, 316766, 475149, 509916, 633532, 950298, 1742213, 1900596, 3484426, 5226639, 6968852, 10453278, 20906556]

約数ペア:

[(1, 20906556), (2, 10453278), (3, 6968852), (4, 5226639), (6, 3484426), (11, 1900596), (12, 1742213), (22, 950298), (33, 633532), (41, 509916), (44, 475149), (66, 316766), (82, 254958), (123, 169972), (132, 158383), (164, 127479), (246, 84986), (451, 46356), (492, 42493), (902, 23178), (1353, 15452), (1804, 11589), (2706, 7726), (3863, 5412)]