20573640295

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3539}}^1\times {\mathrm{5261}}^1$

素因数の和:8835

約数の個数: 32

約数和(自身を含む): 28164749760

約数和(自身を除く): 7591109465

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 3539, 5261, 17695, 26305, 46007, 60163, 68393, 89437, 230035, 300815, 341965, 447185, 782119, 1162681, 3910595, 5813405, 18618679, 93093395, 242042827, 316517543, 1210214135, 1582587715, 4114728059, 20573640295]

約数ペア:

[(1, 20573640295), (5, 4114728059), (13, 1582587715), (17, 1210214135), (65, 316517543), (85, 242042827), (221, 93093395), (1105, 18618679), (3539, 5813405), (5261, 3910595), (17695, 1162681), (26305, 782119), (46007, 447185), (60163, 341965), (68393, 300815), (89437, 230035)]