20016120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8779}}^1$

素因数の和:8812

約数の個数: 64

約数和(自身を含む): 63216000

約数和(自身を除く): 43199880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 8779, 17558, 26337, 35116, 43895, 52674, 70232, 87790, 105348, 131685, 166801, 175580, 210696, 263370, 333602, 351160, 500403, 526740, 667204, 834005, 1000806, 1053480, 1334408, 1668010, 2001612, 2502015, 3336020, 4003224, 5004030, 6672040, 10008060, 20016120]

約数ペア:

[(1, 20016120), (2, 10008060), (3, 6672040), (4, 5004030), (5, 4003224), (6, 3336020), (8, 2502015), (10, 2001612), (12, 1668010), (15, 1334408), (19, 1053480), (20, 1000806), (24, 834005), (30, 667204), (38, 526740), (40, 500403), (57, 351160), (60, 333602), (76, 263370), (95, 210696), (114, 175580), (120, 166801), (152, 131685), (190, 105348), (228, 87790), (285, 70232), (380, 52674), (456, 43895), (570, 35116), (760, 26337), (1140, 17558), (2280, 8779)]