20278410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29389}}^1$

素因数の和:29422

約数の個数: 32

約数和(自身を含む): 50785920

約数和(自身を除く): 30507510

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 29389, 58778, 88167, 146945, 176334, 293890, 440835, 675947, 881670, 1351894, 2027841, 3379735, 4055682, 6759470, 10139205, 20278410]

約数ペア:

[(1, 20278410), (2, 10139205), (3, 6759470), (5, 4055682), (6, 3379735), (10, 2027841), (15, 1351894), (23, 881670), (30, 675947), (46, 440835), (69, 293890), (115, 176334), (138, 146945), (230, 88167), (345, 58778), (690, 29389)]