20246042890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{6661}}^1$

素因数の和:6967

約数の個数: 64

約数和(自身を含む): 38680104960

約数和(自身を除く): 18434062070

約数列:

[1, 2, 5, 10, 29, 47, 58, 94, 145, 223, 235, 290, 446, 470, 1115, 1363, 2230, 2726, 6467, 6661, 6815, 10481, 12934, 13322, 13630, 20962, 32335, 33305, 52405, 64670, 66610, 104810, 193169, 303949, 313067, 386338, 607898, 626134, 965845, 1485403, 1519745, 1565335, 1931690, 2970806, 3039490, 3130670, 7427015, 9078943, 14854030, 18157886, 43076687, 45394715, 69813941, 86153374, 90789430, 139627882, 215383435, 349069705, 430766870, 698139410, 2024604289, 4049208578, 10123021445, 20246042890]

約数ペア:

[(1, 20246042890), (2, 10123021445), (5, 4049208578), (10, 2024604289), (29, 698139410), (47, 430766870), (58, 349069705), (94, 215383435), (145, 139627882), (223, 90789430), (235, 86153374), (290, 69813941), (446, 45394715), (470, 43076687), (1115, 18157886), (1363, 14854030), (2230, 9078943), (2726, 7427015), (6467, 3130670), (6661, 3039490), (6815, 2970806), (10481, 1931690), (12934, 1565335), (13322, 1519745), (13630, 1485403), (20962, 965845), (32335, 626134), (33305, 607898), (52405, 386338), (64670, 313067), (66610, 303949), (104810, 193169)]