20641554

素因数分解:

$2^1\times 3^4\times {\mathrm{47}}^1\times {\mathrm{2711}}^1$

素因数の和:2772

約数の個数: 40

約数和(自身を含む): 47253888

約数和(自身を除く): 26612334

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 81, 94, 141, 162, 282, 423, 846, 1269, 2538, 2711, 3807, 5422, 7614, 8133, 16266, 24399, 48798, 73197, 127417, 146394, 219591, 254834, 382251, 439182, 764502, 1146753, 2293506, 3440259, 6880518, 10320777, 20641554]

約数ペア:

[(1, 20641554), (2, 10320777), (3, 6880518), (6, 3440259), (9, 2293506), (18, 1146753), (27, 764502), (47, 439182), (54, 382251), (81, 254834), (94, 219591), (141, 146394), (162, 127417), (282, 73197), (423, 48798), (846, 24399), (1269, 16266), (2538, 8133), (2711, 7614), (3807, 5422)]