20602000

素因数分解:

$2^4\times 5^3\times {\mathrm{10301}}^1$

素因数の和:10324

約数の個数: 40

約数和(自身を含む): 49820472

約数和(自身を除く): 29218472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 10301, 20602, 41204, 51505, 82408, 103010, 164816, 206020, 257525, 412040, 515050, 824080, 1030100, 1287625, 2060200, 2575250, 4120400, 5150500, 10301000, 20602000]

約数ペア:

[(1, 20602000), (2, 10301000), (4, 5150500), (5, 4120400), (8, 2575250), (10, 2060200), (16, 1287625), (20, 1030100), (25, 824080), (40, 515050), (50, 412040), (80, 257525), (100, 206020), (125, 164816), (200, 103010), (250, 82408), (400, 51505), (500, 41204), (1000, 20602), (2000, 10301)]