20864350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{32099}}^1$

素因数の和:32124

約数の個数: 24

約数和(自身を含む): 41794200

約数和(自身を除く): 20929850

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 32099, 64198, 160495, 320990, 417287, 802475, 834574, 1604950, 2086435, 4172870, 10432175, 20864350]

約数ペア:

[(1, 20864350), (2, 10432175), (5, 4172870), (10, 2086435), (13, 1604950), (25, 834574), (26, 802475), (50, 417287), (65, 320990), (130, 160495), (325, 64198), (650, 32099)]