20218281120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14040473}}^1$

素因数の和:14040494

約数の個数: 72

約数和(自身を含む): 68994889236

約数和(自身を除く): 48776608116

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 14040473, 28080946, 42121419, 56161892, 70202365, 84242838, 112323784, 126364257, 140404730, 168485676, 210607095, 224647568, 252728514, 280809460, 336971352, 421214190, 449295136, 505457028, 561618920, 631821285, 673942704, 842428380, 1010914056, 1123237840, 1263642570, 1347885408, 1684856760, 2021828112, 2246475680, 2527285140, 3369713520, 4043656224, 5054570280, 6739427040, 10109140560, 20218281120]

約数ペア:

[(1, 20218281120), (2, 10109140560), (3, 6739427040), (4, 5054570280), (5, 4043656224), (6, 3369713520), (8, 2527285140), (9, 2246475680), (10, 2021828112), (12, 1684856760), (15, 1347885408), (16, 1263642570), (18, 1123237840), (20, 1010914056), (24, 842428380), (30, 673942704), (32, 631821285), (36, 561618920), (40, 505457028), (45, 449295136), (48, 421214190), (60, 336971352), (72, 280809460), (80, 252728514), (90, 224647568), (96, 210607095), (120, 168485676), (144, 140404730), (160, 126364257), (180, 112323784), (240, 84242838), (288, 70202365), (360, 56161892), (480, 42121419), (720, 28080946), (1440, 14040473)]