20134082720

素因数分解:

$2^5\times 5^1\times {\mathrm{30403}}^1\times {\mathrm{4139}}^1$

素因数の和:34557

約数の個数: 48

約数和(自身を含む): 47579827680

約数和(自身を除く): 27445744960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 4139, 8278, 16556, 20695, 30403, 33112, 41390, 60806, 66224, 82780, 121612, 132448, 152015, 165560, 243224, 304030, 331120, 486448, 608060, 662240, 972896, 1216120, 2432240, 4864480, 125838017, 251676034, 503352068, 629190085, 1006704136, 1258380170, 2013408272, 2516760340, 4026816544, 5033520680, 10067041360, 20134082720]

約数ペア:

[(1, 20134082720), (2, 10067041360), (4, 5033520680), (5, 4026816544), (8, 2516760340), (10, 2013408272), (16, 1258380170), (20, 1006704136), (32, 629190085), (40, 503352068), (80, 251676034), (160, 125838017), (4139, 4864480), (8278, 2432240), (16556, 1216120), (20695, 972896), (30403, 662240), (33112, 608060), (41390, 486448), (60806, 331120), (66224, 304030), (82780, 243224), (121612, 165560), (132448, 152015)]