20487424

素因数分解:

$2^8\times {\mathrm{191}}^1\times {\mathrm{419}}^1$

素因数の和:626

約数の個数: 36

約数和(自身を含む): 41207040

約数和(自身を除く): 20719616

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 191, 256, 382, 419, 764, 838, 1528, 1676, 3056, 3352, 6112, 6704, 12224, 13408, 24448, 26816, 48896, 53632, 80029, 107264, 160058, 320116, 640232, 1280464, 2560928, 5121856, 10243712, 20487424]

約数ペア:

[(1, 20487424), (2, 10243712), (4, 5121856), (8, 2560928), (16, 1280464), (32, 640232), (64, 320116), (128, 160058), (191, 107264), (256, 80029), (382, 53632), (419, 48896), (764, 26816), (838, 24448), (1528, 13408), (1676, 12224), (3056, 6704), (3352, 6112)]