20700196

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{2251}}^1$

素因数の和:2296

約数の個数: 36

約数和(自身を含む): 41932240

約数和(自身を除く): 21232044

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 209, 242, 418, 484, 836, 2251, 2299, 4502, 4598, 9004, 9196, 24761, 42769, 49522, 85538, 99044, 171076, 272371, 470459, 544742, 940918, 1089484, 1881836, 5175049, 10350098, 20700196]

約数ペア:

[(1, 20700196), (2, 10350098), (4, 5175049), (11, 1881836), (19, 1089484), (22, 940918), (38, 544742), (44, 470459), (76, 272371), (121, 171076), (209, 99044), (242, 85538), (418, 49522), (484, 42769), (836, 24761), (2251, 9196), (2299, 9004), (4502, 4598)]