20551284126

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{64067}}^1$

素因数の和:64397

約数の個数: 48

約数和(自身を含む): 45335541888

約数和(自身を除く): 24784257762

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 251, 426, 502, 639, 753, 1278, 1506, 2259, 4518, 17821, 35642, 53463, 64067, 106926, 128134, 160389, 192201, 320778, 384402, 576603, 1153206, 4548757, 9097514, 13646271, 16080817, 27292542, 32161634, 40938813, 48242451, 81877626, 96484902, 144727353, 289454706, 1141738007, 2283476014, 3425214021, 6850428042, 10275642063, 20551284126]

約数ペア:

[(1, 20551284126), (2, 10275642063), (3, 6850428042), (6, 3425214021), (9, 2283476014), (18, 1141738007), (71, 289454706), (142, 144727353), (213, 96484902), (251, 81877626), (426, 48242451), (502, 40938813), (639, 32161634), (753, 27292542), (1278, 16080817), (1506, 13646271), (2259, 9097514), (4518, 4548757), (17821, 1153206), (35642, 576603), (53463, 384402), (64067, 320778), (106926, 192201), (128134, 160389)]