20315802

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1439}}^1$

素因数の和:1638

約数の個数: 32

約数和(自身を含む): 44029440

約数和(自身を除く): 23713638

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 181, 362, 543, 1086, 1439, 2353, 2878, 4317, 4706, 7059, 8634, 14118, 18707, 37414, 56121, 112242, 260459, 520918, 781377, 1562754, 3385967, 6771934, 10157901, 20315802]

約数ペア:

[(1, 20315802), (2, 10157901), (3, 6771934), (6, 3385967), (13, 1562754), (26, 781377), (39, 520918), (78, 260459), (181, 112242), (362, 56121), (543, 37414), (1086, 18707), (1439, 14118), (2353, 8634), (2878, 7059), (4317, 4706)]