20011806836

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1356181}}^1$

素因数の和:1356240

約数の個数: 48

約数和(自身を含む): 43745006592

約数和(自身を除く): 23733199756

約数列:

[1, 2, 4, 7, 14, 17, 28, 31, 34, 62, 68, 119, 124, 217, 238, 434, 476, 527, 868, 1054, 2108, 3689, 7378, 14756, 1356181, 2712362, 5424724, 9493267, 18986534, 23055077, 37973068, 42041611, 46110154, 84083222, 92220308, 161385539, 168166444, 294291277, 322771078, 588582554, 645542156, 714707387, 1177165108, 1429414774, 2858829548, 5002951709, 10005903418, 20011806836]

約数ペア:

[(1, 20011806836), (2, 10005903418), (4, 5002951709), (7, 2858829548), (14, 1429414774), (17, 1177165108), (28, 714707387), (31, 645542156), (34, 588582554), (62, 322771078), (68, 294291277), (119, 168166444), (124, 161385539), (217, 92220308), (238, 84083222), (434, 46110154), (476, 42041611), (527, 37973068), (868, 23055077), (1054, 18986534), (2108, 9493267), (3689, 5424724), (7378, 2712362), (14756, 1356181)]