20692364

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{127}}^1$

素因数の和:195

約数の個数: 72

約数和(自身を含む): 47566848

約数和(自身を除く): 26874484

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 127, 154, 161, 253, 254, 308, 322, 506, 508, 529, 644, 889, 1012, 1058, 1397, 1771, 1778, 2116, 2794, 2921, 3542, 3556, 3703, 5588, 5819, 5842, 7084, 7406, 9779, 11638, 11684, 14812, 19558, 20447, 23276, 32131, 39116, 40733, 40894, 64262, 67183, 81466, 81788, 128524, 134366, 162932, 224917, 268732, 449834, 470281, 739013, 899668, 940562, 1478026, 1881124, 2956052, 5173091, 10346182, 20692364]

約数ペア:

[(1, 20692364), (2, 10346182), (4, 5173091), (7, 2956052), (11, 1881124), (14, 1478026), (22, 940562), (23, 899668), (28, 739013), (44, 470281), (46, 449834), (77, 268732), (92, 224917), (127, 162932), (154, 134366), (161, 128524), (253, 81788), (254, 81466), (308, 67183), (322, 64262), (506, 40894), (508, 40733), (529, 39116), (644, 32131), (889, 23276), (1012, 20447), (1058, 19558), (1397, 14812), (1771, 11684), (1778, 11638), (2116, 9779), (2794, 7406), (2921, 7084), (3542, 5842), (3556, 5819), (3703, 5588)]