20558552

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 46033920

約数和(自身を除く): 25475368

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 73, 94, 107, 146, 188, 214, 292, 329, 376, 428, 511, 584, 658, 749, 856, 1022, 1316, 1498, 2044, 2632, 2996, 3431, 4088, 5029, 5992, 6862, 7811, 10058, 13724, 15622, 20116, 24017, 27448, 31244, 35203, 40232, 48034, 54677, 62488, 70406, 96068, 109354, 140812, 192136, 218708, 281624, 367117, 437416, 734234, 1468468, 2569819, 2936936, 5139638, 10279276, 20558552]

約数ペア:

[(1, 20558552), (2, 10279276), (4, 5139638), (7, 2936936), (8, 2569819), (14, 1468468), (28, 734234), (47, 437416), (56, 367117), (73, 281624), (94, 218708), (107, 192136), (146, 140812), (188, 109354), (214, 96068), (292, 70406), (329, 62488), (376, 54677), (428, 48034), (511, 40232), (584, 35203), (658, 31244), (749, 27448), (856, 24017), (1022, 20116), (1316, 15622), (1498, 13724), (2044, 10058), (2632, 7811), (2996, 6862), (3431, 5992), (4088, 5029)]