20105680912

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{601}}^1\times {\mathrm{67447}}^1$

素因数の和:68087

約数の個数: 40

約数和(自身を含む): 40278866432

約数和(自身を除く): 20173185520

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 601, 1202, 2404, 4808, 9616, 18631, 37262, 67447, 74524, 134894, 149048, 269788, 298096, 539576, 1079152, 2090857, 4181714, 8363428, 16726856, 33453712, 40535647, 81071294, 162142588, 324285176, 648570352, 1256605057, 2513210114, 5026420228, 10052840456, 20105680912]

約数ペア:

[(1, 20105680912), (2, 10052840456), (4, 5026420228), (8, 2513210114), (16, 1256605057), (31, 648570352), (62, 324285176), (124, 162142588), (248, 81071294), (496, 40535647), (601, 33453712), (1202, 16726856), (2404, 8363428), (4808, 4181714), (9616, 2090857), (18631, 1079152), (37262, 539576), (67447, 298096), (74524, 269788), (134894, 149048)]