20947968

素因数分解:

$2^{10}\times 3^2\times {\mathrm{2273}}^1$

素因数の和:2299

約数の個数: 66

約数和(自身を含む): 60513414

約数和(自身を除く): 39565446

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, 2273, 2304, 3072, 4546, 4608, 6819, 9092, 9216, 13638, 18184, 20457, 27276, 36368, 40914, 54552, 72736, 81828, 109104, 145472, 163656, 218208, 290944, 327312, 436416, 581888, 654624, 872832, 1163776, 1309248, 1745664, 2327552, 2618496, 3491328, 5236992, 6982656, 10473984, 20947968]

約数ペア:

[(1, 20947968), (2, 10473984), (3, 6982656), (4, 5236992), (6, 3491328), (8, 2618496), (9, 2327552), (12, 1745664), (16, 1309248), (18, 1163776), (24, 872832), (32, 654624), (36, 581888), (48, 436416), (64, 327312), (72, 290944), (96, 218208), (128, 163656), (144, 145472), (192, 109104), (256, 81828), (288, 72736), (384, 54552), (512, 40914), (576, 36368), (768, 27276), (1024, 20457), (1152, 18184), (1536, 13638), (2273, 9216), (2304, 9092), (3072, 6819), (4546, 4608)]