20765584

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5011}}^1$

素因数の和:5063

約数の個数: 40

約数和(自身を含む): 47233088

約数和(自身を除く): 26467504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 259, 296, 518, 592, 1036, 2072, 4144, 5011, 10022, 20044, 35077, 40088, 70154, 80176, 140308, 185407, 280616, 370814, 561232, 741628, 1297849, 1483256, 2595698, 2966512, 5191396, 10382792, 20765584]

約数ペア:

[(1, 20765584), (2, 10382792), (4, 5191396), (7, 2966512), (8, 2595698), (14, 1483256), (16, 1297849), (28, 741628), (37, 561232), (56, 370814), (74, 280616), (112, 185407), (148, 140308), (259, 80176), (296, 70154), (518, 40088), (592, 35077), (1036, 20044), (2072, 10022), (4144, 5011)]