20351478

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{3209}}^1$

素因数の和:3372

約数の個数: 32

約数和(自身を含む): 46840320

約数和(自身を除く): 26488842

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 151, 302, 453, 906, 1057, 2114, 3171, 3209, 6342, 6418, 9627, 19254, 22463, 44926, 67389, 134778, 484559, 969118, 1453677, 2907354, 3391913, 6783826, 10175739, 20351478]

約数ペア:

[(1, 20351478), (2, 10175739), (3, 6783826), (6, 3391913), (7, 2907354), (14, 1453677), (21, 969118), (42, 484559), (151, 134778), (302, 67389), (453, 44926), (906, 22463), (1057, 19254), (2114, 9627), (3171, 6418), (3209, 6342)]