20199012340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1652947}}^1$

素因数の和:1653016

約数の個数: 48

約数和(自身を含む): 46652804352

約数和(自身を除く): 26453792012

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 3055, 6110, 12220, 1652947, 3305894, 6611788, 8264735, 16529470, 21488311, 33058940, 42976622, 77688509, 85953244, 107441555, 155377018, 214883110, 310754036, 388442545, 429766220, 776885090, 1009950617, 1553770180, 2019901234, 4039802468, 5049753085, 10099506170, 20199012340]

約数ペア:

[(1, 20199012340), (2, 10099506170), (4, 5049753085), (5, 4039802468), (10, 2019901234), (13, 1553770180), (20, 1009950617), (26, 776885090), (47, 429766220), (52, 388442545), (65, 310754036), (94, 214883110), (130, 155377018), (188, 107441555), (235, 85953244), (260, 77688509), (470, 42976622), (611, 33058940), (940, 21488311), (1222, 16529470), (2444, 8264735), (3055, 6611788), (6110, 3305894), (12220, 1652947)]