20488560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{85369}}^1$

素因数の和:85385

約数の個数: 40

約数和(自身を含む): 63515280

約数和(自身を除く): 43026720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 85369, 170738, 256107, 341476, 426845, 512214, 682952, 853690, 1024428, 1280535, 1365904, 1707380, 2048856, 2561070, 3414760, 4097712, 5122140, 6829520, 10244280, 20488560]

約数ペア:

[(1, 20488560), (2, 10244280), (3, 6829520), (4, 5122140), (5, 4097712), (6, 3414760), (8, 2561070), (10, 2048856), (12, 1707380), (15, 1365904), (16, 1280535), (20, 1024428), (24, 853690), (30, 682952), (40, 512214), (48, 426845), (60, 341476), (80, 256107), (120, 170738), (240, 85369)]