20496816

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{3847}}^1$

素因数の和:3898

約数の個数: 60

約数和(自身を含む): 58928272

約数和(自身を除く): 38431456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 72, 74, 111, 144, 148, 222, 296, 333, 444, 592, 666, 888, 1332, 1776, 2664, 3847, 5328, 7694, 11541, 15388, 23082, 30776, 34623, 46164, 61552, 69246, 92328, 138492, 142339, 184656, 276984, 284678, 427017, 553968, 569356, 854034, 1138712, 1281051, 1708068, 2277424, 2562102, 3416136, 5124204, 6832272, 10248408, 20496816]

約数ペア:

[(1, 20496816), (2, 10248408), (3, 6832272), (4, 5124204), (6, 3416136), (8, 2562102), (9, 2277424), (12, 1708068), (16, 1281051), (18, 1138712), (24, 854034), (36, 569356), (37, 553968), (48, 427017), (72, 284678), (74, 276984), (111, 184656), (144, 142339), (148, 138492), (222, 92328), (296, 69246), (333, 61552), (444, 46164), (592, 34623), (666, 30776), (888, 23082), (1332, 15388), (1776, 11541), (2664, 7694), (3847, 5328)]