20492864

素因数分解:

$2^6\times 7^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:475

約数の個数: 56

約数和(自身を含む): 46939200

約数和(自身を除く): 26446336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 149, 224, 298, 307, 448, 596, 614, 1043, 1192, 1228, 2086, 2149, 2384, 2456, 4172, 4298, 4768, 4912, 8344, 8596, 9536, 9824, 16688, 17192, 19648, 33376, 34384, 45743, 66752, 68768, 91486, 137536, 182972, 320201, 365944, 640402, 731888, 1280804, 1463776, 2561608, 2927552, 5123216, 10246432, 20492864]

約数ペア:

[(1, 20492864), (2, 10246432), (4, 5123216), (7, 2927552), (8, 2561608), (14, 1463776), (16, 1280804), (28, 731888), (32, 640402), (56, 365944), (64, 320201), (112, 182972), (149, 137536), (224, 91486), (298, 68768), (307, 66752), (448, 45743), (596, 34384), (614, 33376), (1043, 19648), (1192, 17192), (1228, 16688), (2086, 9824), (2149, 9536), (2384, 8596), (2456, 8344), (4172, 4912), (4298, 4768)]