20784948

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{733}}^1$

素因数の和:896

約数の個数: 48

約数和(自身を含む): 51791040

約数和(自身を除く): 31006092

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 139, 204, 278, 417, 556, 733, 834, 1466, 1668, 2199, 2363, 2932, 4398, 4726, 7089, 8796, 9452, 12461, 14178, 24922, 28356, 37383, 49844, 74766, 101887, 149532, 203774, 305661, 407548, 611322, 1222644, 1732079, 3464158, 5196237, 6928316, 10392474, 20784948]

約数ペア:

[(1, 20784948), (2, 10392474), (3, 6928316), (4, 5196237), (6, 3464158), (12, 1732079), (17, 1222644), (34, 611322), (51, 407548), (68, 305661), (102, 203774), (139, 149532), (204, 101887), (278, 74766), (417, 49844), (556, 37383), (733, 28356), (834, 24922), (1466, 14178), (1668, 12461), (2199, 9452), (2363, 8796), (2932, 7089), (4398, 4726)]