20197584010

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1663}}^1\times {\mathrm{25841}}^1$

素因数の和:27558

約数の個数: 32

約数和(自身を含む): 37152940032

約数和(自身を除く): 16955356022

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 1663, 3326, 8315, 16630, 25841, 51682, 78161, 129205, 156322, 258410, 390805, 781610, 1214527, 2429054, 6072635, 12145270, 42973583, 85947166, 214867915, 429735830, 2019758401, 4039516802, 10098792005, 20197584010]

約数ペア:

[(1, 20197584010), (2, 10098792005), (5, 4039516802), (10, 2019758401), (47, 429735830), (94, 214867915), (235, 85947166), (470, 42973583), (1663, 12145270), (3326, 6072635), (8315, 2429054), (16630, 1214527), (25841, 781610), (51682, 390805), (78161, 258410), (129205, 156322)]