20054860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{143249}}^1$

素因数の和:143265

約数の個数: 24

約数和(自身を含む): 48132000

約数和(自身を除く): 28077140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 143249, 286498, 572996, 716245, 1002743, 1432490, 2005486, 2864980, 4010972, 5013715, 10027430, 20054860]

約数ペア:

[(1, 20054860), (2, 10027430), (4, 5013715), (5, 4010972), (7, 2864980), (10, 2005486), (14, 1432490), (20, 1002743), (28, 716245), (35, 572996), (70, 286498), (140, 143249)]