20172645472

素因数分解:

$2^5\times 7^1\times {\mathrm{619}}^1\times {\mathrm{145487}}^1$

素因数の和:146123

約数の個数: 48

約数和(自身を含む): 45462090240

約数和(自身を除く): 25289444768

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 619, 1238, 2476, 4333, 4952, 8666, 9904, 17332, 19808, 34664, 69328, 138656, 145487, 290974, 581948, 1018409, 1163896, 2036818, 2327792, 4073636, 4655584, 8147272, 16294544, 32589088, 90056453, 180112906, 360225812, 630395171, 720451624, 1260790342, 1440903248, 2521580684, 2881806496, 5043161368, 10086322736, 20172645472]

約数ペア:

[(1, 20172645472), (2, 10086322736), (4, 5043161368), (7, 2881806496), (8, 2521580684), (14, 1440903248), (16, 1260790342), (28, 720451624), (32, 630395171), (56, 360225812), (112, 180112906), (224, 90056453), (619, 32589088), (1238, 16294544), (2476, 8147272), (4333, 4655584), (4952, 4073636), (8666, 2327792), (9904, 2036818), (17332, 1163896), (19808, 1018409), (34664, 581948), (69328, 290974), (138656, 145487)]