20050696520

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{463}}^1\times {\mathrm{3067}}^1$

素因数の和:3894

約数の個数: 64

約数和(自身を含む): 45354366720

約数和(自身を除く): 25303670200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 463, 706, 926, 1412, 1765, 1852, 2315, 2824, 3067, 3530, 3704, 4630, 6134, 7060, 9260, 12268, 14120, 15335, 18520, 24536, 30670, 61340, 122680, 163439, 326878, 653756, 817195, 1082651, 1307512, 1420021, 1634390, 2165302, 2840042, 3268780, 4330604, 5413255, 5680084, 6537560, 7100105, 8661208, 10826510, 11360168, 14200210, 21653020, 28400420, 43306040, 56800840, 501267413, 1002534826, 2005069652, 2506337065, 4010139304, 5012674130, 10025348260, 20050696520]

約数ペア:

[(1, 20050696520), (2, 10025348260), (4, 5012674130), (5, 4010139304), (8, 2506337065), (10, 2005069652), (20, 1002534826), (40, 501267413), (353, 56800840), (463, 43306040), (706, 28400420), (926, 21653020), (1412, 14200210), (1765, 11360168), (1852, 10826510), (2315, 8661208), (2824, 7100105), (3067, 6537560), (3530, 5680084), (3704, 5413255), (4630, 4330604), (6134, 3268780), (7060, 2840042), (9260, 2165302), (12268, 1634390), (14120, 1420021), (15335, 1307512), (18520, 1082651), (24536, 817195), (30670, 653756), (61340, 326878), (122680, 163439)]