20751714

素因数分解:

$2^1\times 3^6\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:394

約数の個数: 56

約数和(自身を含む): 47899632

約数和(自身を除く): 27147918

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 81, 86, 129, 162, 243, 258, 331, 387, 486, 662, 729, 774, 993, 1161, 1458, 1986, 2322, 2979, 3483, 5958, 6966, 8937, 10449, 14233, 17874, 20898, 26811, 28466, 31347, 42699, 53622, 62694, 80433, 85398, 128097, 160866, 241299, 256194, 384291, 482598, 768582, 1152873, 2305746, 3458619, 6917238, 10375857, 20751714]

約数ペア:

[(1, 20751714), (2, 10375857), (3, 6917238), (6, 3458619), (9, 2305746), (18, 1152873), (27, 768582), (43, 482598), (54, 384291), (81, 256194), (86, 241299), (129, 160866), (162, 128097), (243, 85398), (258, 80433), (331, 62694), (387, 53622), (486, 42699), (662, 31347), (729, 28466), (774, 26811), (993, 20898), (1161, 17874), (1458, 14233), (1986, 10449), (2322, 8937), (2979, 6966), (3483, 5958)]