20504647550

素因数分解:

$2^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{601}}^1\times {\mathrm{4909}}^1$

素因数の和:5661

約数の個数: 48

約数和(自身を含む): 38484776400

約数和(自身を除く): 17980128850

約数列:

[1, 2, 5, 10, 25, 50, 139, 278, 601, 695, 1202, 1390, 3005, 3475, 4909, 6010, 6950, 9818, 15025, 24545, 30050, 49090, 83539, 122725, 167078, 245450, 417695, 682351, 835390, 1364702, 2088475, 2950309, 3411755, 4176950, 5900618, 6823510, 14751545, 17058775, 29503090, 34117550, 73757725, 147515450, 410092951, 820185902, 2050464755, 4100929510, 10252323775, 20504647550]

約数ペア:

[(1, 20504647550), (2, 10252323775), (5, 4100929510), (10, 2050464755), (25, 820185902), (50, 410092951), (139, 147515450), (278, 73757725), (601, 34117550), (695, 29503090), (1202, 17058775), (1390, 14751545), (3005, 6823510), (3475, 5900618), (4909, 4176950), (6010, 3411755), (6950, 2950309), (9818, 2088475), (15025, 1364702), (24545, 835390), (30050, 682351), (49090, 417695), (83539, 245450), (122725, 167078)]