20162156840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1014193}}^1$

素因数の和:1014282

約数の個数: 64

約数和(自身を含む): 52575816960

約数和(自身を除く): 32413660120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4970, 9940, 19880, 1014193, 2028386, 4056772, 5070965, 7099351, 8113544, 10141930, 14198702, 20283860, 28397404, 35496755, 40567720, 56794808, 70993510, 72007703, 141987020, 144015406, 283974040, 288030812, 360038515, 504053921, 576061624, 720077030, 1008107842, 1440154060, 2016215684, 2520269605, 2880308120, 4032431368, 5040539210, 10081078420, 20162156840]

約数ペア:

[(1, 20162156840), (2, 10081078420), (4, 5040539210), (5, 4032431368), (7, 2880308120), (8, 2520269605), (10, 2016215684), (14, 1440154060), (20, 1008107842), (28, 720077030), (35, 576061624), (40, 504053921), (56, 360038515), (70, 288030812), (71, 283974040), (140, 144015406), (142, 141987020), (280, 72007703), (284, 70993510), (355, 56794808), (497, 40567720), (568, 35496755), (710, 28397404), (994, 20283860), (1420, 14198702), (1988, 10141930), (2485, 8113544), (2840, 7099351), (3976, 5070965), (4970, 4056772), (9940, 2028386), (19880, 1014193)]