20218814

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7723}}^1$

素因数の和:7760

約数の個数: 32

約数和(自身を含む): 40041216

約数和(自身を除く): 19822402

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 154, 187, 238, 374, 1309, 2618, 7723, 15446, 54061, 84953, 108122, 131291, 169906, 262582, 594671, 919037, 1189342, 1444201, 1838074, 2888402, 10109407, 20218814]

約数ペア:

[(1, 20218814), (2, 10109407), (7, 2888402), (11, 1838074), (14, 1444201), (17, 1189342), (22, 919037), (34, 594671), (77, 262582), (119, 169906), (154, 131291), (187, 108122), (238, 84953), (374, 54061), (1309, 15446), (2618, 7723)]