20739108

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6997}}^1$

素因数の和:7036

約数の個数: 48

約数和(自身を含む): 54864320

約数和(自身を除く): 34125212

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 988, 1482, 2964, 6997, 13994, 20991, 27988, 41982, 83964, 90961, 132943, 181922, 265886, 272883, 363844, 398829, 531772, 545766, 797658, 1091532, 1595316, 1728259, 3456518, 5184777, 6913036, 10369554, 20739108]

約数ペア:

[(1, 20739108), (2, 10369554), (3, 6913036), (4, 5184777), (6, 3456518), (12, 1728259), (13, 1595316), (19, 1091532), (26, 797658), (38, 545766), (39, 531772), (52, 398829), (57, 363844), (76, 272883), (78, 265886), (114, 181922), (156, 132943), (228, 90961), (247, 83964), (494, 41982), (741, 27988), (988, 20991), (1482, 13994), (2964, 6997)]