20739334

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{983}}^1$

素因数の和:1140

約数の個数: 32

約数和(自身を含む): 39108096

約数和(自身を除く): 18368762

約数列:

[1, 2, 7, 11, 14, 22, 77, 137, 154, 274, 959, 983, 1507, 1918, 1966, 3014, 6881, 10549, 10813, 13762, 21098, 21626, 75691, 134671, 151382, 269342, 942697, 1481381, 1885394, 2962762, 10369667, 20739334]

約数ペア:

[(1, 20739334), (2, 10369667), (7, 2962762), (11, 1885394), (14, 1481381), (22, 942697), (77, 269342), (137, 151382), (154, 134671), (274, 75691), (959, 21626), (983, 21098), (1507, 13762), (1918, 10813), (1966, 10549), (3014, 6881)]