20432240

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8807}}^1$

素因数の和:8849

約数の個数: 40

約数和(自身を含む): 49148640

約数和(自身を除く): 28716400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 8807, 17614, 35228, 44035, 70456, 88070, 140912, 176140, 255403, 352280, 510806, 704560, 1021612, 1277015, 2043224, 2554030, 4086448, 5108060, 10216120, 20432240]

約数ペア:

[(1, 20432240), (2, 10216120), (4, 5108060), (5, 4086448), (8, 2554030), (10, 2043224), (16, 1277015), (20, 1021612), (29, 704560), (40, 510806), (58, 352280), (80, 255403), (116, 176140), (145, 140912), (232, 88070), (290, 70456), (464, 44035), (580, 35228), (1160, 17614), (2320, 8807)]