20634124

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{647}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 44416512

約数和(自身を除く): 23782388

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 67, 68, 119, 134, 238, 268, 469, 476, 647, 938, 1139, 1294, 1876, 2278, 2588, 4529, 4556, 7973, 9058, 10999, 15946, 18116, 21998, 31892, 43349, 43996, 76993, 86698, 153986, 173396, 303443, 307972, 606886, 736933, 1213772, 1473866, 2947732, 5158531, 10317062, 20634124]

約数ペア:

[(1, 20634124), (2, 10317062), (4, 5158531), (7, 2947732), (14, 1473866), (17, 1213772), (28, 736933), (34, 606886), (67, 307972), (68, 303443), (119, 173396), (134, 153986), (238, 86698), (268, 76993), (469, 43996), (476, 43349), (647, 31892), (938, 21998), (1139, 18116), (1294, 15946), (1876, 10999), (2278, 9058), (2588, 7973), (4529, 4556)]