20174729890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{521}}^1\times {\mathrm{14951}}^1$

素因数の和:15523

約数の個数: 64

約数和(自身を含む): 42708653568

約数和(自身を除く): 22533923678

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 521, 1042, 1295, 2590, 2605, 3647, 5210, 7294, 14951, 18235, 19277, 29902, 36470, 38554, 74755, 96385, 104657, 134939, 149510, 192770, 209314, 269878, 523285, 553187, 674695, 1046570, 1106374, 1349390, 2765935, 3872309, 5531870, 7744618, 7789471, 15578942, 19361545, 38723090, 38947355, 54526297, 77894710, 109052594, 272631485, 288210427, 545262970, 576420854, 1441052135, 2017472989, 2882104270, 4034945978, 10087364945, 20174729890]

約数ペア:

[(1, 20174729890), (2, 10087364945), (5, 4034945978), (7, 2882104270), (10, 2017472989), (14, 1441052135), (35, 576420854), (37, 545262970), (70, 288210427), (74, 272631485), (185, 109052594), (259, 77894710), (370, 54526297), (518, 38947355), (521, 38723090), (1042, 19361545), (1295, 15578942), (2590, 7789471), (2605, 7744618), (3647, 5531870), (5210, 3872309), (7294, 2765935), (14951, 1349390), (18235, 1106374), (19277, 1046570), (29902, 674695), (36470, 553187), (38554, 523285), (74755, 269878), (96385, 209314), (104657, 192770), (134939, 149510)]