20822516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{617}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 43606080

約数和(自身を除く): 22783564

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 59, 118, 143, 236, 286, 572, 617, 649, 767, 1234, 1298, 1534, 2468, 2596, 3068, 6787, 8021, 8437, 13574, 16042, 16874, 27148, 32084, 33748, 36403, 72806, 88231, 145612, 176462, 352924, 400433, 473239, 800866, 946478, 1601732, 1892956, 5205629, 10411258, 20822516]

約数ペア:

[(1, 20822516), (2, 10411258), (4, 5205629), (11, 1892956), (13, 1601732), (22, 946478), (26, 800866), (44, 473239), (52, 400433), (59, 352924), (118, 176462), (143, 145612), (236, 88231), (286, 72806), (572, 36403), (617, 33748), (649, 32084), (767, 27148), (1234, 16874), (1298, 16042), (1534, 13574), (2468, 8437), (2596, 8021), (3068, 6787)]