20774900

素因数分解:

$2^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{2503}}^1$

素因数の和:2600

約数の個数: 36

約数和(自身を含む): 45642912

約数和(自身を除く): 24868012

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 83, 100, 166, 332, 415, 830, 1660, 2075, 2503, 4150, 5006, 8300, 10012, 12515, 25030, 50060, 62575, 125150, 207749, 250300, 415498, 830996, 1038745, 2077490, 4154980, 5193725, 10387450, 20774900]

約数ペア:

[(1, 20774900), (2, 10387450), (4, 5193725), (5, 4154980), (10, 2077490), (20, 1038745), (25, 830996), (50, 415498), (83, 250300), (100, 207749), (166, 125150), (332, 62575), (415, 50060), (830, 25030), (1660, 12515), (2075, 10012), (2503, 8300), (4150, 5006)]