20444715

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{6781}}^1$

素因数の和:6859

約数の個数: 24

約数和(自身を含む): 35971728

約数和(自身を除く): 15527013

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 6781, 20343, 33905, 61029, 101715, 305145, 454327, 1362981, 2271635, 4088943, 6814905, 20444715]

約数ペア:

[(1, 20444715), (3, 6814905), (5, 4088943), (9, 2271635), (15, 1362981), (45, 454327), (67, 305145), (201, 101715), (335, 61029), (603, 33905), (1005, 20343), (3015, 6781)]