20800992

素因数分解:

$2^5\times 3^1\times {\mathrm{43}}^1\times {\mathrm{5039}}^1$

素因数の和:5095

約数の個数: 48

約数和(自身を含む): 55883520

約数和(自身を除く): 35082528

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 86, 96, 129, 172, 258, 344, 516, 688, 1032, 1376, 2064, 4128, 5039, 10078, 15117, 20156, 30234, 40312, 60468, 80624, 120936, 161248, 216677, 241872, 433354, 483744, 650031, 866708, 1300062, 1733416, 2600124, 3466832, 5200248, 6933664, 10400496, 20800992]

約数ペア:

[(1, 20800992), (2, 10400496), (3, 6933664), (4, 5200248), (6, 3466832), (8, 2600124), (12, 1733416), (16, 1300062), (24, 866708), (32, 650031), (43, 483744), (48, 433354), (86, 241872), (96, 216677), (129, 161248), (172, 120936), (258, 80624), (344, 60468), (516, 40312), (688, 30234), (1032, 20156), (1376, 15117), (2064, 10078), (4128, 5039)]