20635578292

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{709}}^1\times {\mathrm{54709}}^1$

素因数の和:55448

約数の個数: 48

約数和(自身を含む): 43505392000

約数和(自身を除く): 22869813708

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 709, 1418, 2836, 4963, 9926, 13471, 19852, 26942, 53884, 54709, 94297, 109418, 188594, 218836, 377188, 382963, 765926, 1039471, 1531852, 2078942, 4157884, 7276297, 14552594, 29105188, 38788681, 77577362, 155154724, 271520767, 543041534, 736984939, 1086083068, 1473969878, 2947939756, 5158894573, 10317789146, 20635578292]

約数ペア:

[(1, 20635578292), (2, 10317789146), (4, 5158894573), (7, 2947939756), (14, 1473969878), (19, 1086083068), (28, 736984939), (38, 543041534), (76, 271520767), (133, 155154724), (266, 77577362), (532, 38788681), (709, 29105188), (1418, 14552594), (2836, 7276297), (4963, 4157884), (9926, 2078942), (13471, 1531852), (19852, 1039471), (26942, 765926), (53884, 382963), (54709, 377188), (94297, 218836), (109418, 188594)]