20944548

素因数分解:

$2^2\times 3^3\times {\mathrm{89}}^1\times {\mathrm{2179}}^1$

素因数の和:2281

約数の個数: 48

約数和(自身を含む): 54936000

約数和(自身を除く): 33991452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 89, 108, 178, 267, 356, 534, 801, 1068, 1602, 2179, 2403, 3204, 4358, 4806, 6537, 8716, 9612, 13074, 19611, 26148, 39222, 58833, 78444, 117666, 193931, 235332, 387862, 581793, 775724, 1163586, 1745379, 2327172, 3490758, 5236137, 6981516, 10472274, 20944548]

約数ペア:

[(1, 20944548), (2, 10472274), (3, 6981516), (4, 5236137), (6, 3490758), (9, 2327172), (12, 1745379), (18, 1163586), (27, 775724), (36, 581793), (54, 387862), (89, 235332), (108, 193931), (178, 117666), (267, 78444), (356, 58833), (534, 39222), (801, 26148), (1068, 19611), (1602, 13074), (2179, 9612), (2403, 8716), (3204, 6537), (4358, 4806)]