201955220

素因数分解:

$2^2\times 5^1\times {\mathrm{811}}^1\times {\mathrm{12451}}^1$

素因数の和:13271

約数の個数: 24

約数和(自身を含む): 424663008

約数和(自身を除く): 222707788

約数列:

[1, 2, 4, 5, 10, 20, 811, 1622, 3244, 4055, 8110, 12451, 16220, 24902, 49804, 62255, 124510, 249020, 10097761, 20195522, 40391044, 50488805, 100977610, 201955220]

約数ペア:

[(1, 201955220), (2, 100977610), (4, 50488805), (5, 40391044), (10, 20195522), (20, 10097761), (811, 249020), (1622, 124510), (3244, 62255), (4055, 49804), (8110, 24902), (12451, 16220)]