20964416

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:427

約数の個数: 56

約数和(自身を含む): 46000416

約数和(自身を除く): 25036000

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 97, 176, 194, 307, 352, 388, 614, 704, 776, 1067, 1228, 1552, 2134, 2456, 3104, 3377, 4268, 4912, 6208, 6754, 8536, 9824, 13508, 17072, 19648, 27016, 29779, 34144, 54032, 59558, 68288, 108064, 119116, 216128, 238232, 327569, 476464, 655138, 952928, 1310276, 1905856, 2620552, 5241104, 10482208, 20964416]

約数ペア:

[(1, 20964416), (2, 10482208), (4, 5241104), (8, 2620552), (11, 1905856), (16, 1310276), (22, 952928), (32, 655138), (44, 476464), (64, 327569), (88, 238232), (97, 216128), (176, 119116), (194, 108064), (307, 68288), (352, 59558), (388, 54032), (614, 34144), (704, 29779), (776, 27016), (1067, 19648), (1228, 17072), (1552, 13508), (2134, 9824), (2456, 8536), (3104, 6754), (3377, 6208), (4268, 4912)]