16204080380

素因数分解:

$2^2\times 5^1\times {\mathrm{18973}}^1\times {\mathrm{42703}}^1$

素因数の和:61685

約数の個数: 24

約数和(自身を含む): 34031159232

約数和(自身を除く): 17827078852

約数列:

[1, 2, 4, 5, 10, 20, 18973, 37946, 42703, 75892, 85406, 94865, 170812, 189730, 213515, 379460, 427030, 854060, 810204019, 1620408038, 3240816076, 4051020095, 8102040190, 16204080380]

約数ペア:

[(1, 16204080380), (2, 8102040190), (4, 4051020095), (5, 3240816076), (10, 1620408038), (20, 810204019), (18973, 854060), (37946, 427030), (42703, 379460), (75892, 213515), (85406, 189730), (94865, 170812)]