20182153964

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1\times {\mathrm{20921}}^1$

素因数の和:21326

約数の個数: 48

約数和(自身を含む): 40829031936

約数和(自身を除く): 20646877972

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 263, 524, 526, 917, 1052, 1834, 1841, 3668, 3682, 7364, 20921, 34453, 41842, 68906, 83684, 137812, 146447, 241171, 292894, 482342, 585788, 964684, 2740651, 5481302, 5502223, 10962604, 11004446, 19184557, 22008892, 38369114, 38515561, 76738228, 77031122, 154062244, 720791213, 1441582426, 2883164852, 5045538491, 10091076982, 20182153964]

約数ペア:

[(1, 20182153964), (2, 10091076982), (4, 5045538491), (7, 2883164852), (14, 1441582426), (28, 720791213), (131, 154062244), (262, 77031122), (263, 76738228), (524, 38515561), (526, 38369114), (917, 22008892), (1052, 19184557), (1834, 11004446), (1841, 10962604), (3668, 5502223), (3682, 5481302), (7364, 2740651), (20921, 964684), (34453, 585788), (41842, 482342), (68906, 292894), (83684, 241171), (137812, 146447)]