20805596

素因数分解:

$2^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{1051}}^1$

素因数の和:1170

約数の個数: 36

約数和(自身を含む): 42814296

約数和(自身を除く): 22008700

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 101, 196, 202, 404, 707, 1051, 1414, 2102, 2828, 4204, 4949, 7357, 9898, 14714, 19796, 29428, 51499, 102998, 106151, 205996, 212302, 424604, 743057, 1486114, 2972228, 5201399, 10402798, 20805596]

約数ペア:

[(1, 20805596), (2, 10402798), (4, 5201399), (7, 2972228), (14, 1486114), (28, 743057), (49, 424604), (98, 212302), (101, 205996), (196, 106151), (202, 102998), (404, 51499), (707, 29428), (1051, 19796), (1414, 14714), (2102, 9898), (2828, 7357), (4204, 4949)]