20218573624

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{331}}^1\times {\mathrm{71359}}^1$

素因数の和:71803

約数の個数: 32

約数和(自身を含む): 38380262400

約数和(自身を除く): 18161688776

約数列:

[1, 2, 4, 8, 107, 214, 331, 428, 662, 856, 1324, 2648, 35417, 70834, 71359, 141668, 142718, 283336, 285436, 570872, 7635413, 15270826, 23619829, 30541652, 47239658, 61083304, 94479316, 188958632, 2527321703, 5054643406, 10109286812, 20218573624]

約数ペア:

[(1, 20218573624), (2, 10109286812), (4, 5054643406), (8, 2527321703), (107, 188958632), (214, 94479316), (331, 61083304), (428, 47239658), (662, 30541652), (856, 23619829), (1324, 15270826), (2648, 7635413), (35417, 570872), (70834, 285436), (71359, 283336), (141668, 142718)]