20941796156

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1\times {\mathrm{1871}}^1$

素因数の和:2546

約数の個数: 48

約数和(自身を含む): 37909347840

約数和(自身を除く): 16967551684

約数列:

[1, 2, 4, 41, 82, 139, 164, 278, 491, 556, 982, 1871, 1964, 3742, 5699, 7484, 11398, 20131, 22796, 40262, 68249, 76711, 80524, 136498, 153422, 260069, 272996, 306844, 520138, 918661, 1040276, 1837322, 2798209, 3674644, 5596418, 10662829, 11192836, 21325658, 37665101, 42651316, 75330202, 127693879, 150660404, 255387758, 510775516, 5235449039, 10470898078, 20941796156]

約数ペア:

[(1, 20941796156), (2, 10470898078), (4, 5235449039), (41, 510775516), (82, 255387758), (139, 150660404), (164, 127693879), (278, 75330202), (491, 42651316), (556, 37665101), (982, 21325658), (1871, 11192836), (1964, 10662829), (3742, 5596418), (5699, 3674644), (7484, 2798209), (11398, 1837322), (20131, 1040276), (22796, 918661), (40262, 520138), (68249, 306844), (76711, 272996), (80524, 260069), (136498, 153422)]