20187355545

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{21362281}}^1$

素因数の和:21362302

約数の個数: 32

約数和(自身を含む): 41015581440

約数和(自身を除く): 20828225895

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 21362281, 64086843, 106811405, 149535967, 192260529, 320434215, 448607901, 576781587, 747679835, 961302645, 1345823703, 2243039505, 2883907935, 4037471109, 6729118515, 20187355545]

約数ペア:

[(1, 20187355545), (3, 6729118515), (5, 4037471109), (7, 2883907935), (9, 2243039505), (15, 1345823703), (21, 961302645), (27, 747679835), (35, 576781587), (45, 448607901), (63, 320434215), (105, 192260529), (135, 149535967), (189, 106811405), (315, 64086843), (945, 21362281)]