16815820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17159}}^1$

素因数の和:17182

約数の個数: 36

約数和(自身を含む): 41081040

約数和(自身を除く): 24265220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 17159, 34318, 68636, 85795, 120113, 171590, 240226, 343180, 480452, 600565, 840791, 1201130, 1681582, 2402260, 3363164, 4203955, 8407910, 16815820]

約数ペア:

[(1, 16815820), (2, 8407910), (4, 4203955), (5, 3363164), (7, 2402260), (10, 1681582), (14, 1201130), (20, 840791), (28, 600565), (35, 480452), (49, 343180), (70, 240226), (98, 171590), (140, 120113), (196, 85795), (245, 68636), (490, 34318), (980, 17159)]