20198957090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{967}}^1\times {\mathrm{3919}}^1$

素因数の和:4947

約数の個数: 64

約数和(自身を含む): 40161623040

約数和(自身を除く): 19962665950

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 410, 533, 967, 1066, 1934, 2665, 3919, 4835, 5330, 7838, 9670, 12571, 19595, 25142, 39190, 39647, 50947, 62855, 79294, 101894, 125710, 160679, 198235, 254735, 321358, 396470, 509470, 515411, 803395, 1030822, 1606790, 2088827, 2577055, 3789673, 4177654, 5154110, 7579346, 10444135, 18948365, 20888270, 37896730, 49265749, 98531498, 155376593, 246328745, 310753186, 492657490, 776882965, 1553765930, 2019895709, 4039791418, 10099478545, 20198957090]

約数ペア:

[(1, 20198957090), (2, 10099478545), (5, 4039791418), (10, 2019895709), (13, 1553765930), (26, 776882965), (41, 492657490), (65, 310753186), (82, 246328745), (130, 155376593), (205, 98531498), (410, 49265749), (533, 37896730), (967, 20888270), (1066, 18948365), (1934, 10444135), (2665, 7579346), (3919, 5154110), (4835, 4177654), (5330, 3789673), (7838, 2577055), (9670, 2088827), (12571, 1606790), (19595, 1030822), (25142, 803395), (39190, 515411), (39647, 509470), (50947, 396470), (62855, 321358), (79294, 254735), (101894, 198235), (125710, 160679)]