20672650

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:363

約数の個数: 48

約数和(自身を含む): 40678200

約数和(自身を除く): 20005550

約数列:

[1, 2, 5, 10, 25, 29, 50, 53, 58, 106, 145, 265, 269, 290, 530, 538, 725, 1325, 1345, 1450, 1537, 2650, 2690, 3074, 6725, 7685, 7801, 13450, 14257, 15370, 15602, 28514, 38425, 39005, 71285, 76850, 78010, 142570, 195025, 356425, 390050, 413453, 712850, 826906, 2067265, 4134530, 10336325, 20672650]

約数ペア:

[(1, 20672650), (2, 10336325), (5, 4134530), (10, 2067265), (25, 826906), (29, 712850), (50, 413453), (53, 390050), (58, 356425), (106, 195025), (145, 142570), (265, 78010), (269, 76850), (290, 71285), (530, 39005), (538, 38425), (725, 28514), (1325, 15602), (1345, 15370), (1450, 14257), (1537, 13450), (2650, 7801), (2690, 7685), (3074, 6725)]