20122388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{277}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 41846784

約数和(自身を除く): 21724396

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 127, 143, 254, 277, 286, 508, 554, 572, 1108, 1397, 1651, 2794, 3047, 3302, 3601, 5588, 6094, 6604, 7202, 12188, 14404, 18161, 35179, 36322, 39611, 70358, 72644, 79222, 140716, 158444, 386969, 457327, 773938, 914654, 1547876, 1829308, 5030597, 10061194, 20122388]

約数ペア:

[(1, 20122388), (2, 10061194), (4, 5030597), (11, 1829308), (13, 1547876), (22, 914654), (26, 773938), (44, 457327), (52, 386969), (127, 158444), (143, 140716), (254, 79222), (277, 72644), (286, 70358), (508, 39611), (554, 36322), (572, 35179), (1108, 18161), (1397, 14404), (1651, 12188), (2794, 7202), (3047, 6604), (3302, 6094), (3601, 5588)]