20119242

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 27780918

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 131, 143, 179, 262, 286, 358, 393, 429, 537, 786, 858, 1074, 1441, 1703, 1969, 2327, 2882, 3406, 3938, 4323, 4654, 5109, 5907, 6981, 8646, 10218, 11814, 13962, 18733, 23449, 25597, 37466, 46898, 51194, 56199, 70347, 76791, 112398, 140694, 153582, 257939, 304837, 515878, 609674, 773817, 914511, 1547634, 1829022, 3353207, 6706414, 10059621, 20119242]

約数ペア:

[(1, 20119242), (2, 10059621), (3, 6706414), (6, 3353207), (11, 1829022), (13, 1547634), (22, 914511), (26, 773817), (33, 609674), (39, 515878), (66, 304837), (78, 257939), (131, 153582), (143, 140694), (179, 112398), (262, 76791), (286, 70347), (358, 56199), (393, 51194), (429, 46898), (537, 37466), (786, 25597), (858, 23449), (1074, 18733), (1441, 13962), (1703, 11814), (1969, 10218), (2327, 8646), (2882, 6981), (3406, 5907), (3938, 5109), (4323, 4654)]