20132004496

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{421807}}^1$

素因数の和:421991

約数の個数: 40

約数和(自身を含む): 41320311680

約数和(自身を除く): 21188307184

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 157, 304, 314, 628, 1256, 2512, 2983, 5966, 11932, 23864, 47728, 421807, 843614, 1687228, 3374456, 6748912, 8014333, 16028666, 32057332, 64114664, 66223699, 128229328, 132447398, 264894796, 529789592, 1059579184, 1258250281, 2516500562, 5033001124, 10066002248, 20132004496]

約数ペア:

[(1, 20132004496), (2, 10066002248), (4, 5033001124), (8, 2516500562), (16, 1258250281), (19, 1059579184), (38, 529789592), (76, 264894796), (152, 132447398), (157, 128229328), (304, 66223699), (314, 64114664), (628, 32057332), (1256, 16028666), (2512, 8014333), (2983, 6748912), (5966, 3374456), (11932, 1687228), (23864, 843614), (47728, 421807)]