20189954848

素因数分解:

$2^5\times 7^1\times {\mathrm{1381}}^1\times {\mathrm{65267}}^1$

素因数の和:66665

約数の個数: 48

約数和(自身を含む): 45460989504

約数和(自身を除く): 25271034656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 1381, 2762, 5524, 9667, 11048, 19334, 22096, 38668, 44192, 65267, 77336, 130534, 154672, 261068, 309344, 456869, 522136, 913738, 1044272, 1827476, 2088544, 3654952, 7309904, 14619808, 90133727, 180267454, 360534908, 630936089, 721069816, 1261872178, 1442139632, 2523744356, 2884279264, 5047488712, 10094977424, 20189954848]

約数ペア:

[(1, 20189954848), (2, 10094977424), (4, 5047488712), (7, 2884279264), (8, 2523744356), (14, 1442139632), (16, 1261872178), (28, 721069816), (32, 630936089), (56, 360534908), (112, 180267454), (224, 90133727), (1381, 14619808), (2762, 7309904), (5524, 3654952), (9667, 2088544), (11048, 1827476), (19334, 1044272), (22096, 913738), (38668, 522136), (44192, 456869), (65267, 309344), (77336, 261068), (130534, 154672)]