20621232

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{7537}}^1$

素因数の和:7570

約数の個数: 60

約数和(自身を含む): 60756280

約数和(自身を除く): 40135048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 171, 228, 304, 342, 456, 684, 912, 1368, 2736, 7537, 15074, 22611, 30148, 45222, 60296, 67833, 90444, 120592, 135666, 143203, 180888, 271332, 286406, 361776, 429609, 542664, 572812, 859218, 1085328, 1145624, 1288827, 1718436, 2291248, 2577654, 3436872, 5155308, 6873744, 10310616, 20621232]

約数ペア:

[(1, 20621232), (2, 10310616), (3, 6873744), (4, 5155308), (6, 3436872), (8, 2577654), (9, 2291248), (12, 1718436), (16, 1288827), (18, 1145624), (19, 1085328), (24, 859218), (36, 572812), (38, 542664), (48, 429609), (57, 361776), (72, 286406), (76, 271332), (114, 180888), (144, 143203), (152, 135666), (171, 120592), (228, 90444), (304, 67833), (342, 60296), (456, 45222), (684, 30148), (912, 22611), (1368, 15074), (2736, 7537)]