20872856556

素因数分解:

$2^2\times 3^2\times {\mathrm{579801571}}^1$

素因数の和:579801581

約数の個数: 18

約数和(自身を含む): 52761943052

約数和(自身を除く): 31889086496

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 579801571, 1159603142, 1739404713, 2319206284, 3478809426, 5218214139, 6957618852, 10436428278, 20872856556]

約数ペア:

[(1, 20872856556), (2, 10436428278), (3, 6957618852), (4, 5218214139), (6, 3478809426), (9, 2319206284), (12, 1739404713), (18, 1159603142), (36, 579801571)]