20178704940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{336311749}}^1$

素因数の和:336311761

約数の個数: 24

約数和(自身を含む): 56500374000

約数和(自身を除く): 36321669060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 336311749, 672623498, 1008935247, 1345246996, 1681558745, 2017870494, 3363117490, 4035740988, 5044676235, 6726234980, 10089352470, 20178704940]

約数ペア:

[(1, 20178704940), (2, 10089352470), (3, 6726234980), (4, 5044676235), (5, 4035740988), (6, 3363117490), (10, 2017870494), (12, 1681558745), (15, 1345246996), (20, 1008935247), (30, 672623498), (60, 336311749)]