20189593912

素因数分解:

$2^3\times {\mathrm{331}}^1\times {\mathrm{449}}^1\times {\mathrm{16981}}^1$

素因数の和:17767

約数の個数: 32

約数和(自身を含む): 38056662000

約数和(自身を除く): 17867068088

約数列:

[1, 2, 4, 8, 331, 449, 662, 898, 1324, 1796, 2648, 3592, 16981, 33962, 67924, 135848, 148619, 297238, 594476, 1188952, 5620711, 7624469, 11241422, 15248938, 22482844, 30497876, 44965688, 60995752, 2523699239, 5047398478, 10094796956, 20189593912]

約数ペア:

[(1, 20189593912), (2, 10094796956), (4, 5047398478), (8, 2523699239), (331, 60995752), (449, 44965688), (662, 30497876), (898, 22482844), (1324, 15248938), (1796, 11241422), (2648, 7624469), (3592, 5620711), (16981, 1188952), (33962, 594476), (67924, 297238), (135848, 148619)]