20123701864

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{6780223}}^1$

素因数の和:6780289

約数の個数: 32

約数和(自身を含む): 43935851520

約数和(自身を除く): 23812149656

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 6780223, 13560446, 27120892, 47461561, 54241784, 94923122, 189846244, 359351819, 379692488, 718703638, 1437407276, 2515462733, 2874814552, 5030925466, 10061850932, 20123701864]

約数ペア:

[(1, 20123701864), (2, 10061850932), (4, 5030925466), (7, 2874814552), (8, 2515462733), (14, 1437407276), (28, 718703638), (53, 379692488), (56, 359351819), (106, 189846244), (212, 94923122), (371, 54241784), (424, 47461561), (742, 27120892), (1484, 13560446), (2968, 6780223)]