20564820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{38083}}^1$

素因数の和:38101

約数の個数: 48

約数和(自身を含む): 63981120

約数和(自身を除く): 43416300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 38083, 76166, 114249, 152332, 190415, 228498, 342747, 380830, 456996, 571245, 685494, 761660, 1028241, 1142490, 1370988, 1713735, 2056482, 2284980, 3427470, 4112964, 5141205, 6854940, 10282410, 20564820]

約数ペア:

[(1, 20564820), (2, 10282410), (3, 6854940), (4, 5141205), (5, 4112964), (6, 3427470), (9, 2284980), (10, 2056482), (12, 1713735), (15, 1370988), (18, 1142490), (20, 1028241), (27, 761660), (30, 685494), (36, 571245), (45, 456996), (54, 380830), (60, 342747), (90, 228498), (108, 190415), (135, 152332), (180, 114249), (270, 76166), (540, 38083)]