20280495310

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{979261}}^1$

素因数の和:979396

約数の個数: 32

約数和(自身を含む): 38778775200

約数和(自身を除く): 18498279890

約数列:

[1, 2, 5, 10, 19, 38, 95, 109, 190, 218, 545, 1090, 2071, 4142, 10355, 20710, 979261, 1958522, 4896305, 9792610, 18605959, 37211918, 93029795, 106739449, 186059590, 213478898, 533697245, 1067394490, 2028049531, 4056099062, 10140247655, 20280495310]

約数ペア:

[(1, 20280495310), (2, 10140247655), (5, 4056099062), (10, 2028049531), (19, 1067394490), (38, 533697245), (95, 213478898), (109, 186059590), (190, 106739449), (218, 93029795), (545, 37211918), (1090, 18605959), (2071, 9792610), (4142, 4896305), (10355, 1958522), (20710, 979261)]