20307968

素因数分解:

$2^{13}\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:130

約数の個数: 56

約数和(自身を含む): 42333672

約数和(自身を除く): 22025704

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 67, 74, 128, 134, 148, 256, 268, 296, 512, 536, 592, 1024, 1072, 1184, 2048, 2144, 2368, 2479, 4096, 4288, 4736, 4958, 8192, 8576, 9472, 9916, 17152, 18944, 19832, 34304, 37888, 39664, 68608, 75776, 79328, 137216, 151552, 158656, 274432, 303104, 317312, 548864, 634624, 1269248, 2538496, 5076992, 10153984, 20307968]

約数ペア:

[(1, 20307968), (2, 10153984), (4, 5076992), (8, 2538496), (16, 1269248), (32, 634624), (37, 548864), (64, 317312), (67, 303104), (74, 274432), (128, 158656), (134, 151552), (148, 137216), (256, 79328), (268, 75776), (296, 68608), (512, 39664), (536, 37888), (592, 34304), (1024, 19832), (1072, 18944), (1184, 17152), (2048, 9916), (2144, 9472), (2368, 8576), (2479, 8192), (4096, 4958), (4288, 4736)]