20868057

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2693}}^1$

素因数の和:2750

約数の個数: 32

約数和(自身を含む): 36207360

約数和(自身を除く): 15339303

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 123, 189, 287, 369, 861, 1107, 2583, 2693, 7749, 8079, 18851, 24237, 56553, 72711, 110413, 169659, 331239, 508977, 772891, 993717, 2318673, 2981151, 6956019, 20868057]

約数ペア:

[(1, 20868057), (3, 6956019), (7, 2981151), (9, 2318673), (21, 993717), (27, 772891), (41, 508977), (63, 331239), (123, 169659), (189, 110413), (287, 72711), (369, 56553), (861, 24237), (1107, 18851), (2583, 8079), (2693, 7749)]