20591536

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4969}}^1$

素因数の和:5021

約数の個数: 40

約数和(自身を含む): 46837280

約数和(自身を除く): 26245744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 259, 296, 518, 592, 1036, 2072, 4144, 4969, 9938, 19876, 34783, 39752, 69566, 79504, 139132, 183853, 278264, 367706, 556528, 735412, 1286971, 1470824, 2573942, 2941648, 5147884, 10295768, 20591536]

約数ペア:

[(1, 20591536), (2, 10295768), (4, 5147884), (7, 2941648), (8, 2573942), (14, 1470824), (16, 1286971), (28, 735412), (37, 556528), (56, 367706), (74, 278264), (112, 183853), (148, 139132), (259, 79504), (296, 69566), (518, 39752), (592, 34783), (1036, 19876), (2072, 9938), (4144, 4969)]