20477072

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1511}}^1$

素因数の和:1548

約数の個数: 60

約数和(自身を含む): 49871808

約数和(自身を除く): 29394736

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 121, 154, 176, 242, 308, 484, 616, 847, 968, 1232, 1511, 1694, 1936, 3022, 3388, 6044, 6776, 10577, 12088, 13552, 16621, 21154, 24176, 33242, 42308, 66484, 84616, 116347, 132968, 169232, 182831, 232694, 265936, 365662, 465388, 731324, 930776, 1279817, 1462648, 1861552, 2559634, 2925296, 5119268, 10238536, 20477072]

約数ペア:

[(1, 20477072), (2, 10238536), (4, 5119268), (7, 2925296), (8, 2559634), (11, 1861552), (14, 1462648), (16, 1279817), (22, 930776), (28, 731324), (44, 465388), (56, 365662), (77, 265936), (88, 232694), (112, 182831), (121, 169232), (154, 132968), (176, 116347), (242, 84616), (308, 66484), (484, 42308), (616, 33242), (847, 24176), (968, 21154), (1232, 16621), (1511, 13552), (1694, 12088), (1936, 10577), (3022, 6776), (3388, 6044)]