20924880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87187}}^1$

素因数の和:87203

約数の個数: 40

約数和(自身を含む): 64867872

約数和(自身を除く): 43942992

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87187, 174374, 261561, 348748, 435935, 523122, 697496, 871870, 1046244, 1307805, 1394992, 1743740, 2092488, 2615610, 3487480, 4184976, 5231220, 6974960, 10462440, 20924880]

約数ペア:

[(1, 20924880), (2, 10462440), (3, 6974960), (4, 5231220), (5, 4184976), (6, 3487480), (8, 2615610), (10, 2092488), (12, 1743740), (15, 1394992), (16, 1307805), (20, 1046244), (24, 871870), (30, 697496), (40, 523122), (48, 435935), (60, 348748), (80, 261561), (120, 174374), (240, 87187)]