20824190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{863}}^1$

素因数の和:1016

約数の個数: 32

約数和(自身を含む): 39813120

約数和(自身を除く): 18988930

約数列:

[1, 2, 5, 10, 19, 38, 95, 127, 190, 254, 635, 863, 1270, 1726, 2413, 4315, 4826, 8630, 12065, 16397, 24130, 32794, 81985, 109601, 163970, 219202, 548005, 1096010, 2082419, 4164838, 10412095, 20824190]

約数ペア:

[(1, 20824190), (2, 10412095), (5, 4164838), (10, 2082419), (19, 1096010), (38, 548005), (95, 219202), (127, 163970), (190, 109601), (254, 81985), (635, 32794), (863, 24130), (1270, 16397), (1726, 12065), (2413, 8630), (4315, 4826)]