20505312

素因数分解:

$2^5\times 3^7\times {\mathrm{293}}^1$

素因数の和:324

約数の個数: 96

約数和(自身を含む): 60752160

約数和(自身を除く): 40246848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 243, 288, 293, 324, 432, 486, 586, 648, 729, 864, 879, 972, 1172, 1296, 1458, 1758, 1944, 2187, 2344, 2592, 2637, 2916, 3516, 3888, 4374, 4688, 5274, 5832, 7032, 7776, 7911, 8748, 9376, 10548, 11664, 14064, 15822, 17496, 21096, 23328, 23733, 28128, 31644, 34992, 42192, 47466, 63288, 69984, 71199, 84384, 94932, 126576, 142398, 189864, 213597, 253152, 284796, 379728, 427194, 569592, 640791, 759456, 854388, 1139184, 1281582, 1708776, 2278368, 2563164, 3417552, 5126328, 6835104, 10252656, 20505312]

約数ペア:

[(1, 20505312), (2, 10252656), (3, 6835104), (4, 5126328), (6, 3417552), (8, 2563164), (9, 2278368), (12, 1708776), (16, 1281582), (18, 1139184), (24, 854388), (27, 759456), (32, 640791), (36, 569592), (48, 427194), (54, 379728), (72, 284796), (81, 253152), (96, 213597), (108, 189864), (144, 142398), (162, 126576), (216, 94932), (243, 84384), (288, 71199), (293, 69984), (324, 63288), (432, 47466), (486, 42192), (586, 34992), (648, 31644), (729, 28128), (864, 23733), (879, 23328), (972, 21096), (1172, 17496), (1296, 15822), (1458, 14064), (1758, 11664), (1944, 10548), (2187, 9376), (2344, 8748), (2592, 7911), (2637, 7776), (2916, 7032), (3516, 5832), (3888, 5274), (4374, 4688)]