20170048120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{564671}}^1$

素因数の和:564748

約数の個数: 64

約数和(自身を含む): 48787660800

約数和(自身を除く): 28617612680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 188, 190, 235, 376, 380, 470, 760, 893, 940, 1786, 1880, 3572, 4465, 7144, 8930, 17860, 35720, 564671, 1129342, 2258684, 2823355, 4517368, 5646710, 10728749, 11293420, 21457498, 22586840, 26539537, 42914996, 53079074, 53643745, 85829992, 106158148, 107287490, 132697685, 212316296, 214574980, 265395370, 429149960, 504251203, 530790740, 1008502406, 1061581480, 2017004812, 2521256015, 4034009624, 5042512030, 10085024060, 20170048120]

約数ペア:

[(1, 20170048120), (2, 10085024060), (4, 5042512030), (5, 4034009624), (8, 2521256015), (10, 2017004812), (19, 1061581480), (20, 1008502406), (38, 530790740), (40, 504251203), (47, 429149960), (76, 265395370), (94, 214574980), (95, 212316296), (152, 132697685), (188, 107287490), (190, 106158148), (235, 85829992), (376, 53643745), (380, 53079074), (470, 42914996), (760, 26539537), (893, 22586840), (940, 21457498), (1786, 11293420), (1880, 10728749), (3572, 5646710), (4465, 4517368), (7144, 2823355), (8930, 2258684), (17860, 1129342), (35720, 564671)]