20853894015

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2532349}}^1$

素因数の和:2532424

約数の個数: 32

約数和(自身を含む): 37681368000

約数和(自身を除く): 16827473985

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 135, 183, 305, 549, 915, 1647, 2745, 8235, 2532349, 7597047, 12661745, 22791141, 37985235, 68373423, 113955705, 154473289, 341867115, 463419867, 772366445, 1390259601, 2317099335, 4170778803, 6951298005, 20853894015]

約数ペア:

[(1, 20853894015), (3, 6951298005), (5, 4170778803), (9, 2317099335), (15, 1390259601), (27, 772366445), (45, 463419867), (61, 341867115), (135, 154473289), (183, 113955705), (305, 68373423), (549, 37985235), (915, 22791141), (1647, 12661745), (2745, 7597047), (8235, 2532349)]