20459446

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{311}}^1$

素因数の和:484

約数の個数: 32

約数和(自身を含む): 36421632

約数和(自身を除く): 15962186

約数列:

[1, 2, 7, 14, 37, 74, 127, 254, 259, 311, 518, 622, 889, 1778, 2177, 4354, 4699, 9398, 11507, 23014, 32893, 39497, 65786, 78994, 80549, 161098, 276479, 552958, 1461389, 2922778, 10229723, 20459446]

約数ペア:

[(1, 20459446), (2, 10229723), (7, 2922778), (14, 1461389), (37, 552958), (74, 276479), (127, 161098), (254, 80549), (259, 78994), (311, 65786), (518, 39497), (622, 32893), (889, 23014), (1778, 11507), (2177, 9398), (4354, 4699)]