20236764980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{947}}^1\times {\mathrm{62851}}^1$

素因数の和:63824

約数の個数: 48

約数和(自身を含む): 45045274176

約数和(自身を除く): 24808509196

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 947, 1894, 3788, 4735, 9470, 16099, 18940, 32198, 62851, 64396, 80495, 125702, 160990, 251404, 314255, 321980, 628510, 1068467, 1257020, 2136934, 4273868, 5342335, 10684670, 21369340, 59519897, 119039794, 238079588, 297599485, 595198970, 1011838249, 1190397940, 2023676498, 4047352996, 5059191245, 10118382490, 20236764980]

約数ペア:

[(1, 20236764980), (2, 10118382490), (4, 5059191245), (5, 4047352996), (10, 2023676498), (17, 1190397940), (20, 1011838249), (34, 595198970), (68, 297599485), (85, 238079588), (170, 119039794), (340, 59519897), (947, 21369340), (1894, 10684670), (3788, 5342335), (4735, 4273868), (9470, 2136934), (16099, 1257020), (18940, 1068467), (32198, 628510), (62851, 321980), (64396, 314255), (80495, 251404), (125702, 160990)]