20740340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61001}}^1$

素因数の和:61027

約数の個数: 24

約数和(自身を含む): 46117512

約数和(自身を除く): 25377172

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 61001, 122002, 244004, 305005, 610010, 1037017, 1220020, 2074034, 4148068, 5185085, 10370170, 20740340]

約数ペア:

[(1, 20740340), (2, 10370170), (4, 5185085), (5, 4148068), (10, 2074034), (17, 1220020), (20, 1037017), (34, 610010), (68, 305005), (85, 244004), (170, 122002), (340, 61001)]