20497644

素因数分解:

$2^2\times 3^3\times {\mathrm{53}}^1\times {\mathrm{3581}}^1$

素因数の和:3647

約数の個数: 48

約数和(自身を含む): 54159840

約数和(自身を除く): 33662196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 53, 54, 106, 108, 159, 212, 318, 477, 636, 954, 1431, 1908, 2862, 3581, 5724, 7162, 10743, 14324, 21486, 32229, 42972, 64458, 96687, 128916, 189793, 193374, 379586, 386748, 569379, 759172, 1138758, 1708137, 2277516, 3416274, 5124411, 6832548, 10248822, 20497644]

約数ペア:

[(1, 20497644), (2, 10248822), (3, 6832548), (4, 5124411), (6, 3416274), (9, 2277516), (12, 1708137), (18, 1138758), (27, 759172), (36, 569379), (53, 386748), (54, 379586), (106, 193374), (108, 189793), (159, 128916), (212, 96687), (318, 64458), (477, 42972), (636, 32229), (954, 21486), (1431, 14324), (1908, 10743), (2862, 7162), (3581, 5724)]