20645982

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{193}}^1\times {\mathrm{283}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 52892160

約数和(自身を除く): 32246178

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 193, 283, 378, 386, 566, 579, 849, 1158, 1351, 1698, 1737, 1981, 2547, 2702, 3474, 3962, 4053, 5094, 5211, 5943, 7641, 8106, 10422, 11886, 12159, 15282, 17829, 24318, 35658, 36477, 53487, 54619, 72954, 106974, 109238, 163857, 327714, 382333, 491571, 764666, 983142, 1146999, 1474713, 2293998, 2949426, 3440997, 6881994, 10322991, 20645982]

約数ペア:

[(1, 20645982), (2, 10322991), (3, 6881994), (6, 3440997), (7, 2949426), (9, 2293998), (14, 1474713), (18, 1146999), (21, 983142), (27, 764666), (42, 491571), (54, 382333), (63, 327714), (126, 163857), (189, 109238), (193, 106974), (283, 72954), (378, 54619), (386, 53487), (566, 36477), (579, 35658), (849, 24318), (1158, 17829), (1351, 15282), (1698, 12159), (1737, 11886), (1981, 10422), (2547, 8106), (2702, 7641), (3474, 5943), (3962, 5211), (4053, 5094)]