20159157088

素因数分解:

$2^5\times 7^1\times {\mathrm{617}}^1\times {\mathrm{145861}}^1$

素因数の和:146495

約数の個数: 48

約数和(自身を含む): 45431928864

約数和(自身を除く): 25272771776

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 617, 1234, 2468, 4319, 4936, 8638, 9872, 17276, 19744, 34552, 69104, 138208, 145861, 291722, 583444, 1021027, 1166888, 2042054, 2333776, 4084108, 4667552, 8168216, 16336432, 32672864, 89996237, 179992474, 359984948, 629973659, 719969896, 1259947318, 1439939792, 2519894636, 2879879584, 5039789272, 10079578544, 20159157088]

約数ペア:

[(1, 20159157088), (2, 10079578544), (4, 5039789272), (7, 2879879584), (8, 2519894636), (14, 1439939792), (16, 1259947318), (28, 719969896), (32, 629973659), (56, 359984948), (112, 179992474), (224, 89996237), (617, 32672864), (1234, 16336432), (2468, 8168216), (4319, 4667552), (4936, 4084108), (8638, 2333776), (9872, 2042054), (17276, 1166888), (19744, 1021027), (34552, 583444), (69104, 291722), (138208, 145861)]