20993784

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6577}}^1$

素因数の和:6612

約数の個数: 64

約数和(自身を含む): 63148800

約数和(自身を除く): 42155016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 84, 114, 133, 152, 168, 228, 266, 399, 456, 532, 798, 1064, 1596, 3192, 6577, 13154, 19731, 26308, 39462, 46039, 52616, 78924, 92078, 124963, 138117, 157848, 184156, 249926, 276234, 368312, 374889, 499852, 552468, 749778, 874741, 999704, 1104936, 1499556, 1749482, 2624223, 2999112, 3498964, 5248446, 6997928, 10496892, 20993784]

約数ペア:

[(1, 20993784), (2, 10496892), (3, 6997928), (4, 5248446), (6, 3498964), (7, 2999112), (8, 2624223), (12, 1749482), (14, 1499556), (19, 1104936), (21, 999704), (24, 874741), (28, 749778), (38, 552468), (42, 499852), (56, 374889), (57, 368312), (76, 276234), (84, 249926), (114, 184156), (133, 157848), (152, 138117), (168, 124963), (228, 92078), (266, 78924), (399, 52616), (456, 46039), (532, 39462), (798, 26308), (1064, 19731), (1596, 13154), (3192, 6577)]