23999420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{16901}}^1$

素因数の和:16981

約数の個数: 24

約数和(自身を含む): 51111648

約数和(自身を除く): 27112228

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 16901, 33802, 67604, 84505, 169010, 338020, 1199971, 2399942, 4799884, 5999855, 11999710, 23999420]

約数ペア:

[(1, 23999420), (2, 11999710), (4, 5999855), (5, 4799884), (10, 2399942), (20, 1199971), (71, 338020), (142, 169010), (284, 84505), (355, 67604), (710, 33802), (1420, 16901)]