20459950

素因数分解:

$2^1\times 5^2\times 7^3\times {\mathrm{1193}}^1$

素因数の和:1226

約数の個数: 48

約数和(自身を含む): 44416800

約数和(自身を除く): 23956850

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 343, 350, 490, 686, 1193, 1225, 1715, 2386, 2450, 3430, 5965, 8351, 8575, 11930, 16702, 17150, 29825, 41755, 58457, 59650, 83510, 116914, 208775, 292285, 409199, 417550, 584570, 818398, 1461425, 2045995, 2922850, 4091990, 10229975, 20459950]

約数ペア:

[(1, 20459950), (2, 10229975), (5, 4091990), (7, 2922850), (10, 2045995), (14, 1461425), (25, 818398), (35, 584570), (49, 417550), (50, 409199), (70, 292285), (98, 208775), (175, 116914), (245, 83510), (343, 59650), (350, 58457), (490, 41755), (686, 29825), (1193, 17150), (1225, 16702), (1715, 11930), (2386, 8575), (2450, 8351), (3430, 5965)]