20454927474970

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{787}}^1\times {\mathrm{851327}}^1$

素因数の和:852235

約数の個数: 64

約数和(自身を含む): 38254348763136

約数和(自身を除く): 17799421288166

約数列:

[1, 2, 5, 10, 43, 71, 86, 142, 215, 355, 430, 710, 787, 1574, 3053, 3935, 6106, 7870, 15265, 30530, 33841, 55877, 67682, 111754, 169205, 279385, 338410, 558770, 851327, 1702654, 2402711, 4256635, 4805422, 8513270, 12013555, 24027110, 36607061, 60444217, 73214122, 120888434, 183035305, 302221085, 366070610, 604442170, 669994349, 1339988698, 2599101331, 3349971745, 5198202662, 6699943490, 12995506655, 25991013310, 28809757007, 47569598779, 57619514014, 95139197558, 144048785035, 237847993895, 288097570070, 475695987790, 2045492747497, 4090985494994, 10227463737485, 20454927474970]

約数ペア:

[(1, 20454927474970), (2, 10227463737485), (5, 4090985494994), (10, 2045492747497), (43, 475695987790), (71, 288097570070), (86, 237847993895), (142, 144048785035), (215, 95139197558), (355, 57619514014), (430, 47569598779), (710, 28809757007), (787, 25991013310), (1574, 12995506655), (3053, 6699943490), (3935, 5198202662), (6106, 3349971745), (7870, 2599101331), (15265, 1339988698), (30530, 669994349), (33841, 604442170), (55877, 366070610), (67682, 302221085), (111754, 183035305), (169205, 120888434), (279385, 73214122), (338410, 60444217), (558770, 36607061), (851327, 24027110), (1702654, 12013555), (2402711, 8513270), (4256635, 4805422)]