20005784876

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{24877}}^1$

素因数の和:25279

約数の個数: 72

約数和(自身を含む): 44549333136

約数和(自身を除く): 24543548260

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 373, 539, 746, 1078, 1492, 2156, 2611, 4103, 5222, 8206, 10444, 16412, 18277, 24877, 28721, 36554, 49754, 57442, 73108, 99508, 114884, 174139, 201047, 273647, 348278, 402094, 547294, 696556, 804188, 1094588, 1218973, 1915529, 2437946, 3831058, 4875892, 7662116, 9279121, 13408703, 18558242, 26817406, 37116484, 53634812, 64953847, 102070331, 129907694, 204140662, 259815388, 408281324, 454676929, 714492317, 909353858, 1428984634, 1818707716, 2857969268, 5001446219, 10002892438, 20005784876]

約数ペア:

[(1, 20005784876), (2, 10002892438), (4, 5001446219), (7, 2857969268), (11, 1818707716), (14, 1428984634), (22, 909353858), (28, 714492317), (44, 454676929), (49, 408281324), (77, 259815388), (98, 204140662), (154, 129907694), (196, 102070331), (308, 64953847), (373, 53634812), (539, 37116484), (746, 26817406), (1078, 18558242), (1492, 13408703), (2156, 9279121), (2611, 7662116), (4103, 4875892), (5222, 3831058), (8206, 2437946), (10444, 1915529), (16412, 1218973), (18277, 1094588), (24877, 804188), (28721, 696556), (36554, 547294), (49754, 402094), (57442, 348278), (73108, 273647), (99508, 201047), (114884, 174139)]