20930886

素因数分解:

$2^1\times 3^4\times {\mathrm{47}}^1\times {\mathrm{2749}}^1$

素因数の和:2810

約数の個数: 40

約数和(自身を含む): 47916000

約数和(自身を除く): 26985114

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 81, 94, 141, 162, 282, 423, 846, 1269, 2538, 2749, 3807, 5498, 7614, 8247, 16494, 24741, 49482, 74223, 129203, 148446, 222669, 258406, 387609, 445338, 775218, 1162827, 2325654, 3488481, 6976962, 10465443, 20930886]

約数ペア:

[(1, 20930886), (2, 10465443), (3, 6976962), (6, 3488481), (9, 2325654), (18, 1162827), (27, 775218), (47, 445338), (54, 387609), (81, 258406), (94, 222669), (141, 148446), (162, 129203), (282, 74223), (423, 49482), (846, 24741), (1269, 16494), (2538, 8247), (2749, 7614), (3807, 5498)]