20517202370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1\times {\mathrm{15643}}^1$

素因数の和:16155

約数の個数: 64

約数和(自身を含む): 43333629696

約数和(自身を除く): 22816427326

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 457, 574, 914, 1435, 2285, 2870, 3199, 4570, 6398, 15643, 15995, 18737, 31286, 31990, 37474, 78215, 93685, 109501, 131159, 156430, 187370, 219002, 262318, 547505, 641363, 655795, 1095010, 1282726, 1311590, 3206815, 4489541, 6413630, 7148851, 8979082, 14297702, 22447705, 35744255, 44895410, 50041957, 71488510, 100083914, 250209785, 293102891, 500419570, 586205782, 1465514455, 2051720237, 2931028910, 4103440474, 10258601185, 20517202370]

約数ペア:

[(1, 20517202370), (2, 10258601185), (5, 4103440474), (7, 2931028910), (10, 2051720237), (14, 1465514455), (35, 586205782), (41, 500419570), (70, 293102891), (82, 250209785), (205, 100083914), (287, 71488510), (410, 50041957), (457, 44895410), (574, 35744255), (914, 22447705), (1435, 14297702), (2285, 8979082), (2870, 7148851), (3199, 6413630), (4570, 4489541), (6398, 3206815), (15643, 1311590), (15995, 1282726), (18737, 1095010), (31286, 655795), (31990, 641363), (37474, 547505), (78215, 262318), (93685, 219002), (109501, 187370), (131159, 156430)]