20631100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29473}}^1$

素因数の和:29494

約数の個数: 36

約数和(自身を含む): 51166864

約数和(自身を除く): 30535764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 29473, 58946, 117892, 147365, 206311, 294730, 412622, 589460, 736825, 825244, 1031555, 1473650, 2063110, 2947300, 4126220, 5157775, 10315550, 20631100]

約数ペア:

[(1, 20631100), (2, 10315550), (4, 5157775), (5, 4126220), (7, 2947300), (10, 2063110), (14, 1473650), (20, 1031555), (25, 825244), (28, 736825), (35, 589460), (50, 412622), (70, 294730), (100, 206311), (140, 147365), (175, 117892), (350, 58946), (700, 29473)]