20197526818

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1\times {\mathrm{3433}}^1$

素因数の和:3851

約数の個数: 64

約数和(自身を含む): 36770722560

約数和(自身を除く): 16573195742

約数列:

[1, 2, 7, 14, 29, 43, 58, 86, 203, 301, 337, 406, 602, 674, 1247, 2359, 2494, 3433, 4718, 6866, 8729, 9773, 14491, 17458, 19546, 24031, 28982, 48062, 68411, 99557, 101437, 136822, 147619, 199114, 202874, 295238, 420239, 696899, 840478, 1033333, 1156921, 1393798, 2066666, 2313842, 2941673, 4280951, 5883346, 8098447, 8561902, 16196894, 29966657, 33550709, 49747603, 59933314, 67101418, 99495206, 234854963, 348233221, 469709926, 696466442, 1442680487, 2885360974, 10098763409, 20197526818]

約数ペア:

[(1, 20197526818), (2, 10098763409), (7, 2885360974), (14, 1442680487), (29, 696466442), (43, 469709926), (58, 348233221), (86, 234854963), (203, 99495206), (301, 67101418), (337, 59933314), (406, 49747603), (602, 33550709), (674, 29966657), (1247, 16196894), (2359, 8561902), (2494, 8098447), (3433, 5883346), (4718, 4280951), (6866, 2941673), (8729, 2313842), (9773, 2066666), (14491, 1393798), (17458, 1156921), (19546, 1033333), (24031, 840478), (28982, 696899), (48062, 420239), (68411, 295238), (99557, 202874), (101437, 199114), (136822, 147619)]