20874742

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{631}}^1$

素因数の和:796

約数の個数: 32

約数和(自身を含む): 38223360

約数和(自身を除く): 17348618

約数列:

[1, 2, 7, 14, 17, 34, 119, 139, 238, 278, 631, 973, 1262, 1946, 2363, 4417, 4726, 8834, 10727, 16541, 21454, 33082, 75089, 87709, 150178, 175418, 613963, 1227926, 1491053, 2982106, 10437371, 20874742]

約数ペア:

[(1, 20874742), (2, 10437371), (7, 2982106), (14, 1491053), (17, 1227926), (34, 613963), (119, 175418), (139, 150178), (238, 87709), (278, 75089), (631, 33082), (973, 21454), (1262, 16541), (1946, 10727), (2363, 8834), (4417, 4726)]