20798970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{8353}}^1$

素因数の和:8446

約数の個数: 32

約数和(自身を含む): 50524992

約数和(自身を除く): 29726022

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 83, 166, 249, 415, 498, 830, 1245, 2490, 8353, 16706, 25059, 41765, 50118, 83530, 125295, 250590, 693299, 1386598, 2079897, 3466495, 4159794, 6932990, 10399485, 20798970]

約数ペア:

[(1, 20798970), (2, 10399485), (3, 6932990), (5, 4159794), (6, 3466495), (10, 2079897), (15, 1386598), (30, 693299), (83, 250590), (166, 125295), (249, 83530), (415, 50118), (498, 41765), (830, 25059), (1245, 16706), (2490, 8353)]