20970224

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6271}}^1$

素因数の和:6309

約数の個数: 40

約数和(自身を含む): 46663680

約数和(自身を除く): 25693456

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 6271, 12542, 25084, 50168, 68981, 100336, 119149, 137962, 238298, 275924, 476596, 551848, 953192, 1103696, 1310639, 1906384, 2621278, 5242556, 10485112, 20970224]

約数ペア:

[(1, 20970224), (2, 10485112), (4, 5242556), (8, 2621278), (11, 1906384), (16, 1310639), (19, 1103696), (22, 953192), (38, 551848), (44, 476596), (76, 275924), (88, 238298), (152, 137962), (176, 119149), (209, 100336), (304, 68981), (418, 50168), (836, 25084), (1672, 12542), (3344, 6271)]