20290560

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{1321}}^1$

素因数の和:1349

約数の個数: 88

約数和(自身を含む): 64947216

約数和(自身を除く): 44656656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1321, 1536, 1920, 2560, 2642, 3072, 3840, 3963, 5120, 5284, 6605, 7680, 7926, 10568, 13210, 15360, 15852, 19815, 21136, 26420, 31704, 39630, 42272, 52840, 63408, 79260, 84544, 105680, 126816, 158520, 169088, 211360, 253632, 317040, 338176, 422720, 507264, 634080, 676352, 845440, 1014528, 1268160, 1352704, 1690880, 2029056, 2536320, 3381760, 4058112, 5072640, 6763520, 10145280, 20290560]

約数ペア:

[(1, 20290560), (2, 10145280), (3, 6763520), (4, 5072640), (5, 4058112), (6, 3381760), (8, 2536320), (10, 2029056), (12, 1690880), (15, 1352704), (16, 1268160), (20, 1014528), (24, 845440), (30, 676352), (32, 634080), (40, 507264), (48, 422720), (60, 338176), (64, 317040), (80, 253632), (96, 211360), (120, 169088), (128, 158520), (160, 126816), (192, 105680), (240, 84544), (256, 79260), (320, 63408), (384, 52840), (480, 42272), (512, 39630), (640, 31704), (768, 26420), (960, 21136), (1024, 19815), (1280, 15852), (1321, 15360), (1536, 13210), (1920, 10568), (2560, 7926), (2642, 7680), (3072, 6605), (3840, 5284), (3963, 5120)]