20294880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{42281}}^1$

素因数の和:42299

約数の個数: 48

約数和(自身を含む): 63930384

約数和(自身を除く): 43635504

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 42281, 84562, 126843, 169124, 211405, 253686, 338248, 422810, 507372, 634215, 676496, 845620, 1014744, 1268430, 1352992, 1691240, 2029488, 2536860, 3382480, 4058976, 5073720, 6764960, 10147440, 20294880]

約数ペア:

[(1, 20294880), (2, 10147440), (3, 6764960), (4, 5073720), (5, 4058976), (6, 3382480), (8, 2536860), (10, 2029488), (12, 1691240), (15, 1352992), (16, 1268430), (20, 1014744), (24, 845620), (30, 676496), (32, 634215), (40, 507372), (48, 422810), (60, 338248), (80, 253686), (96, 211405), (120, 169124), (160, 126843), (240, 84562), (480, 42281)]