20566710

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{25391}}^1$

素因数の和:25410

約数の個数: 40

約数和(自身を含む): 55303776

約数和(自身を除く): 34737066

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 25391, 50782, 76173, 126955, 152346, 228519, 253910, 380865, 457038, 685557, 761730, 1142595, 1371114, 2056671, 2285190, 3427785, 4113342, 6855570, 10283355, 20566710]

約数ペア:

[(1, 20566710), (2, 10283355), (3, 6855570), (5, 4113342), (6, 3427785), (9, 2285190), (10, 2056671), (15, 1371114), (18, 1142595), (27, 761730), (30, 685557), (45, 457038), (54, 380865), (81, 253910), (90, 228519), (135, 152346), (162, 126955), (270, 76173), (405, 50782), (810, 25391)]