20958015456

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{10395841}}^1$

素因数の和:10395864

約数の個数: 72

約数和(自身を含む): 68113556784

約数和(自身を除く): 47155541328

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 10395841, 20791682, 31187523, 41583364, 62375046, 72770887, 83166728, 93562569, 124750092, 145541774, 166333456, 187125138, 218312661, 249500184, 291083548, 332666912, 374250276, 436625322, 499000368, 582167096, 654937983, 748500552, 873250644, 998000736, 1164334192, 1309875966, 1497001104, 1746501288, 2328668384, 2619751932, 2994002208, 3493002576, 5239503864, 6986005152, 10479007728, 20958015456]

約数ペア:

[(1, 20958015456), (2, 10479007728), (3, 6986005152), (4, 5239503864), (6, 3493002576), (7, 2994002208), (8, 2619751932), (9, 2328668384), (12, 1746501288), (14, 1497001104), (16, 1309875966), (18, 1164334192), (21, 998000736), (24, 873250644), (28, 748500552), (32, 654937983), (36, 582167096), (42, 499000368), (48, 436625322), (56, 374250276), (63, 332666912), (72, 291083548), (84, 249500184), (96, 218312661), (112, 187125138), (126, 166333456), (144, 145541774), (168, 124750092), (224, 93562569), (252, 83166728), (288, 72770887), (336, 62375046), (504, 41583364), (672, 31187523), (1008, 20791682), (2016, 10395841)]