20005937072

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{8923}}^1\times {\mathrm{12739}}^1$

素因数の和:21681

約数の個数: 40

約数和(自身を含む): 42293334720

約数和(自身を除く): 22287397648

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 8923, 12739, 17846, 25478, 35692, 50956, 71384, 98153, 101912, 140129, 142768, 196306, 203824, 280258, 392612, 560516, 785224, 1121032, 1570448, 2242064, 113670097, 227340194, 454680388, 909360776, 1250371067, 1818721552, 2500742134, 5001484268, 10002968536, 20005937072]

約数ペア:

[(1, 20005937072), (2, 10002968536), (4, 5001484268), (8, 2500742134), (11, 1818721552), (16, 1250371067), (22, 909360776), (44, 454680388), (88, 227340194), (176, 113670097), (8923, 2242064), (12739, 1570448), (17846, 1121032), (25478, 785224), (35692, 560516), (50956, 392612), (71384, 280258), (98153, 203824), (101912, 196306), (140129, 142768)]