20366416

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:188

約数の個数: 80

約数和(自身を含む): 47568384

約数和(自身を除く): 27201968

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 53, 56, 73, 94, 106, 112, 146, 188, 212, 292, 329, 371, 376, 424, 511, 584, 658, 742, 752, 848, 1022, 1168, 1316, 1484, 2044, 2491, 2632, 2968, 3431, 3869, 4088, 4982, 5264, 5936, 6862, 7738, 8176, 9964, 13724, 15476, 17437, 19928, 24017, 27083, 27448, 30952, 34874, 39856, 48034, 54166, 54896, 61904, 69748, 96068, 108332, 139496, 181843, 192136, 216664, 278992, 363686, 384272, 433328, 727372, 1272901, 1454744, 2545802, 2909488, 5091604, 10183208, 20366416]

約数ペア:

[(1, 20366416), (2, 10183208), (4, 5091604), (7, 2909488), (8, 2545802), (14, 1454744), (16, 1272901), (28, 727372), (47, 433328), (53, 384272), (56, 363686), (73, 278992), (94, 216664), (106, 192136), (112, 181843), (146, 139496), (188, 108332), (212, 96068), (292, 69748), (329, 61904), (371, 54896), (376, 54166), (424, 48034), (511, 39856), (584, 34874), (658, 30952), (742, 27448), (752, 27083), (848, 24017), (1022, 19928), (1168, 17437), (1316, 15476), (1484, 13724), (2044, 9964), (2491, 8176), (2632, 7738), (2968, 6862), (3431, 5936), (3869, 5264), (4088, 4982)]