20187424570

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{22669}}^1$

素因数の和:22847

約数の個数: 64

約数和(自身を含む): 39500208000

約数和(自身を除く): 19312783430

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 109, 190, 215, 218, 430, 545, 817, 1090, 1634, 2071, 4085, 4142, 4687, 8170, 9374, 10355, 20710, 22669, 23435, 45338, 46870, 89053, 113345, 178106, 226690, 430711, 445265, 861422, 890530, 974767, 1949534, 2153555, 2470921, 4307110, 4873835, 4941842, 9747670, 12354605, 18520573, 24709210, 37041146, 46947499, 92602865, 93894998, 106249603, 185205730, 212499206, 234737495, 469474990, 531248015, 1062496030, 2018742457, 4037484914, 10093712285, 20187424570]

約数ペア:

[(1, 20187424570), (2, 10093712285), (5, 4037484914), (10, 2018742457), (19, 1062496030), (38, 531248015), (43, 469474990), (86, 234737495), (95, 212499206), (109, 185205730), (190, 106249603), (215, 93894998), (218, 92602865), (430, 46947499), (545, 37041146), (817, 24709210), (1090, 18520573), (1634, 12354605), (2071, 9747670), (4085, 4941842), (4142, 4873835), (4687, 4307110), (8170, 2470921), (9374, 2153555), (10355, 1949534), (20710, 974767), (22669, 890530), (23435, 861422), (45338, 445265), (46870, 430711), (89053, 226690), (113345, 178106)]