20422592

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:277

約数の個数: 56

約数和(自身を含む): 42714672

約数和(自身を除く): 22292080

約数列:

[1, 2, 4, 8, 16, 32, 41, 43, 64, 82, 86, 164, 172, 181, 328, 344, 362, 656, 688, 724, 1312, 1376, 1448, 1763, 2624, 2752, 2896, 3526, 5792, 7052, 7421, 7783, 11584, 14104, 14842, 15566, 28208, 29684, 31132, 56416, 59368, 62264, 112832, 118736, 124528, 237472, 249056, 319103, 474944, 498112, 638206, 1276412, 2552824, 5105648, 10211296, 20422592]

約数ペア:

[(1, 20422592), (2, 10211296), (4, 5105648), (8, 2552824), (16, 1276412), (32, 638206), (41, 498112), (43, 474944), (64, 319103), (82, 249056), (86, 237472), (164, 124528), (172, 118736), (181, 112832), (328, 62264), (344, 59368), (362, 56416), (656, 31132), (688, 29684), (724, 28208), (1312, 15566), (1376, 14842), (1448, 14104), (1763, 11584), (2624, 7783), (2752, 7421), (2896, 7052), (3526, 5792)]