20576032

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 41997312

約数和(自身を除く): 21421280

約数列:

[1, 2, 4, 8, 16, 32, 61, 83, 122, 127, 166, 244, 254, 332, 488, 508, 664, 976, 1016, 1328, 1952, 2032, 2656, 4064, 5063, 7747, 10126, 10541, 15494, 20252, 21082, 30988, 40504, 42164, 61976, 81008, 84328, 123952, 162016, 168656, 247904, 337312, 643001, 1286002, 2572004, 5144008, 10288016, 20576032]

約数ペア:

[(1, 20576032), (2, 10288016), (4, 5144008), (8, 2572004), (16, 1286002), (32, 643001), (61, 337312), (83, 247904), (122, 168656), (127, 162016), (166, 123952), (244, 84328), (254, 81008), (332, 61976), (488, 42164), (508, 40504), (664, 30988), (976, 21082), (1016, 20252), (1328, 15494), (1952, 10541), (2032, 10126), (2656, 7747), (4064, 5063)]