20671488

素因数分解:

$2^{10}\times 3^2\times {\mathrm{2243}}^1$

素因数の和:2269

約数の個数: 66

約数和(自身を含む): 59715084

約数和(自身を除く): 39043596

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1024, 1152, 1536, 2243, 2304, 3072, 4486, 4608, 6729, 8972, 9216, 13458, 17944, 20187, 26916, 35888, 40374, 53832, 71776, 80748, 107664, 143552, 161496, 215328, 287104, 322992, 430656, 574208, 645984, 861312, 1148416, 1291968, 1722624, 2296832, 2583936, 3445248, 5167872, 6890496, 10335744, 20671488]

約数ペア:

[(1, 20671488), (2, 10335744), (3, 6890496), (4, 5167872), (6, 3445248), (8, 2583936), (9, 2296832), (12, 1722624), (16, 1291968), (18, 1148416), (24, 861312), (32, 645984), (36, 574208), (48, 430656), (64, 322992), (72, 287104), (96, 215328), (128, 161496), (144, 143552), (192, 107664), (256, 80748), (288, 71776), (384, 53832), (512, 40374), (576, 35888), (768, 26916), (1024, 20187), (1152, 17944), (1536, 13458), (2243, 9216), (2304, 8972), (3072, 6729), (4486, 4608)]