20189875496

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1619}}^1\times {\mathrm{2683}}^1$

素因数の和:4398

約数の個数: 64

約数和(自身を含む): 43828646400

約数和(自身を除く): 23638770904

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 166, 332, 581, 664, 1162, 1619, 2324, 2683, 3238, 4648, 5366, 6476, 10732, 11333, 12952, 18781, 21464, 22666, 37562, 45332, 75124, 90664, 134377, 150248, 222689, 268754, 445378, 537508, 890756, 940639, 1075016, 1558823, 1781512, 1881278, 3117646, 3762556, 4343777, 6235292, 7525112, 8687554, 12470584, 17375108, 30406439, 34750216, 60812878, 121625756, 243251512, 360533491, 721066982, 1442133964, 2523734437, 2884267928, 5047468874, 10094937748, 20189875496]

約数ペア:

[(1, 20189875496), (2, 10094937748), (4, 5047468874), (7, 2884267928), (8, 2523734437), (14, 1442133964), (28, 721066982), (56, 360533491), (83, 243251512), (166, 121625756), (332, 60812878), (581, 34750216), (664, 30406439), (1162, 17375108), (1619, 12470584), (2324, 8687554), (2683, 7525112), (3238, 6235292), (4648, 4343777), (5366, 3762556), (6476, 3117646), (10732, 1881278), (11333, 1781512), (12952, 1558823), (18781, 1075016), (21464, 940639), (22666, 890756), (37562, 537508), (45332, 445378), (75124, 268754), (90664, 222689), (134377, 150248)]