20788068

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4057}}^1$

素因数の和:4132

約数の個数: 48

約数和(自身を含む): 56357504

約数和(自身を除く): 35569436

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 61, 84, 122, 183, 244, 366, 427, 732, 854, 1281, 1708, 2562, 4057, 5124, 8114, 12171, 16228, 24342, 28399, 48684, 56798, 85197, 113596, 170394, 247477, 340788, 494954, 742431, 989908, 1484862, 1732339, 2969724, 3464678, 5197017, 6929356, 10394034, 20788068]

約数ペア:

[(1, 20788068), (2, 10394034), (3, 6929356), (4, 5197017), (6, 3464678), (7, 2969724), (12, 1732339), (14, 1484862), (21, 989908), (28, 742431), (42, 494954), (61, 340788), (84, 247477), (122, 170394), (183, 113596), (244, 85197), (366, 56798), (427, 48684), (732, 28399), (854, 24342), (1281, 16228), (1708, 12171), (2562, 8114), (4057, 5124)]