20405376

素因数分解:

$2^7\times 3^2\times {\mathrm{17713}}^1$

素因数の和:17733

約数の個数: 48

約数和(自身を含む): 58721910

約数和(自身を除く): 38316534

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 288, 384, 576, 1152, 17713, 35426, 53139, 70852, 106278, 141704, 159417, 212556, 283408, 318834, 425112, 566816, 637668, 850224, 1133632, 1275336, 1700448, 2267264, 2550672, 3400896, 5101344, 6801792, 10202688, 20405376]

約数ペア:

[(1, 20405376), (2, 10202688), (3, 6801792), (4, 5101344), (6, 3400896), (8, 2550672), (9, 2267264), (12, 1700448), (16, 1275336), (18, 1133632), (24, 850224), (32, 637668), (36, 566816), (48, 425112), (64, 318834), (72, 283408), (96, 212556), (128, 159417), (144, 141704), (192, 106278), (288, 70852), (384, 53139), (576, 35426), (1152, 17713)]