20097616

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1483}}^1$

素因数の和:1520

約数の個数: 60

約数和(自身を含む): 48948256

約数和(自身を除く): 28850640

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, 1483, 1694, 1936, 2966, 3388, 5932, 6776, 10381, 11864, 13552, 16313, 20762, 23728, 32626, 41524, 65252, 83048, 114191, 130504, 166096, 179443, 228382, 261008, 358886, 456764, 717772, 913528, 1256101, 1435544, 1827056, 2512202, 2871088, 5024404, 10048808, 20097616]

約数ペア:

[(1, 20097616), (2, 10048808), (4, 5024404), (7, 2871088), (8, 2512202), (11, 1827056), (14, 1435544), (16, 1256101), (22, 913528), (28, 717772), (44, 456764), (56, 358886), (77, 261008), (88, 228382), (112, 179443), (121, 166096), (154, 130504), (176, 114191), (242, 83048), (308, 65252), (484, 41524), (616, 32626), (847, 23728), (968, 20762), (1232, 16313), (1483, 13552), (1694, 11864), (1936, 10381), (2966, 6776), (3388, 5932)]