20133531350

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{389}}^1\times {\mathrm{19531}}^1$

素因数の和:19985

約数の個数: 48

約数和(自身を含む): 38254984560

約数和(自身を除く): 18121453210

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 265, 389, 530, 778, 1325, 1945, 2650, 3890, 9725, 19450, 19531, 20617, 39062, 41234, 97655, 103085, 195310, 206170, 488275, 515425, 976550, 1030850, 1035143, 2070286, 5175715, 7597559, 10351430, 15195118, 25878575, 37987795, 51757150, 75975590, 189938975, 379877950, 402670627, 805341254, 2013353135, 4026706270, 10066765675, 20133531350]

約数ペア:

[(1, 20133531350), (2, 10066765675), (5, 4026706270), (10, 2013353135), (25, 805341254), (50, 402670627), (53, 379877950), (106, 189938975), (265, 75975590), (389, 51757150), (530, 37987795), (778, 25878575), (1325, 15195118), (1945, 10351430), (2650, 7597559), (3890, 5175715), (9725, 2070286), (19450, 1035143), (19531, 1030850), (20617, 976550), (39062, 515425), (41234, 488275), (97655, 206170), (103085, 195310)]