20512946512

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{2447}}^1\times {\mathrm{16901}}^1$

素因数の和:19387

約数の個数: 40

約数和(自身を含む): 41045087232

約数和(自身を除く): 20532140720

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 2447, 4894, 9788, 16901, 19576, 33802, 39152, 67604, 75857, 135208, 151714, 270416, 303428, 523931, 606856, 1047862, 1213712, 2095724, 4191448, 8382896, 41356747, 82713494, 165426988, 330853976, 661707952, 1282059157, 2564118314, 5128236628, 10256473256, 20512946512]

約数ペア:

[(1, 20512946512), (2, 10256473256), (4, 5128236628), (8, 2564118314), (16, 1282059157), (31, 661707952), (62, 330853976), (124, 165426988), (248, 82713494), (496, 41356747), (2447, 8382896), (4894, 4191448), (9788, 2095724), (16901, 1213712), (19576, 1047862), (33802, 606856), (39152, 523931), (67604, 303428), (75857, 270416), (135208, 151714)]