20199325285

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1999}}^1\times {\mathrm{2243}}^1$

素因数の和:4317

約数の個数: 32

約数和(自身を含む): 26174016000

約数和(自身を除く): 5974690715

約数列:

[1, 5, 17, 53, 85, 265, 901, 1999, 2243, 4505, 9995, 11215, 33983, 38131, 105947, 118879, 169915, 190655, 529735, 594395, 1801099, 2020943, 4483757, 9005495, 10104715, 22418785, 76223869, 237639121, 381119345, 1188195605, 4039865057, 20199325285]

約数ペア:

[(1, 20199325285), (5, 4039865057), (17, 1188195605), (53, 381119345), (85, 237639121), (265, 76223869), (901, 22418785), (1999, 10104715), (2243, 9005495), (4505, 4483757), (9995, 2020943), (11215, 1801099), (33983, 594395), (38131, 529735), (105947, 190655), (118879, 169915)]