20702208

素因数分解:

$2^{10}\times 3^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:339

約数の個数: 88

約数和(自身を含む): 57774528

約数和(自身を除く): 37072320

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 128, 138, 184, 192, 256, 276, 293, 368, 384, 512, 552, 586, 736, 768, 879, 1024, 1104, 1172, 1472, 1536, 1758, 2208, 2344, 2944, 3072, 3516, 4416, 4688, 5888, 6739, 7032, 8832, 9376, 11776, 13478, 14064, 17664, 18752, 20217, 23552, 26956, 28128, 35328, 37504, 40434, 53912, 56256, 70656, 75008, 80868, 107824, 112512, 150016, 161736, 215648, 225024, 300032, 323472, 431296, 450048, 646944, 862592, 900096, 1293888, 1725184, 2587776, 3450368, 5175552, 6900736, 10351104, 20702208]

約数ペア:

[(1, 20702208), (2, 10351104), (3, 6900736), (4, 5175552), (6, 3450368), (8, 2587776), (12, 1725184), (16, 1293888), (23, 900096), (24, 862592), (32, 646944), (46, 450048), (48, 431296), (64, 323472), (69, 300032), (92, 225024), (96, 215648), (128, 161736), (138, 150016), (184, 112512), (192, 107824), (256, 80868), (276, 75008), (293, 70656), (368, 56256), (384, 53912), (512, 40434), (552, 37504), (586, 35328), (736, 28128), (768, 26956), (879, 23552), (1024, 20217), (1104, 18752), (1172, 17664), (1472, 14064), (1536, 13478), (1758, 11776), (2208, 9376), (2344, 8832), (2944, 7032), (3072, 6739), (3516, 5888), (4416, 4688)]