20210376

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:139

約数の個数: 128

約数和(自身を含む): 58060800

約数和(自身を除く): 37850424

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 23, 24, 38, 41, 46, 47, 57, 69, 76, 82, 92, 94, 114, 123, 138, 141, 152, 164, 184, 188, 228, 246, 276, 282, 328, 376, 437, 456, 492, 552, 564, 779, 874, 893, 943, 984, 1081, 1128, 1311, 1558, 1748, 1786, 1886, 1927, 2162, 2337, 2622, 2679, 2829, 3116, 3243, 3496, 3572, 3772, 3854, 4324, 4674, 5244, 5358, 5658, 5781, 6232, 6486, 7144, 7544, 7708, 8648, 9348, 10488, 10716, 11316, 11562, 12972, 15416, 17917, 18696, 20539, 21432, 22632, 23124, 25944, 35834, 36613, 41078, 44321, 46248, 53751, 61617, 71668, 73226, 82156, 88642, 107502, 109839, 123234, 132963, 143336, 146452, 164312, 177284, 215004, 219678, 246468, 265926, 292904, 354568, 430008, 439356, 492936, 531852, 842099, 878712, 1063704, 1684198, 2526297, 3368396, 5052594, 6736792, 10105188, 20210376]

約数ペア:

[(1, 20210376), (2, 10105188), (3, 6736792), (4, 5052594), (6, 3368396), (8, 2526297), (12, 1684198), (19, 1063704), (23, 878712), (24, 842099), (38, 531852), (41, 492936), (46, 439356), (47, 430008), (57, 354568), (69, 292904), (76, 265926), (82, 246468), (92, 219678), (94, 215004), (114, 177284), (123, 164312), (138, 146452), (141, 143336), (152, 132963), (164, 123234), (184, 109839), (188, 107502), (228, 88642), (246, 82156), (276, 73226), (282, 71668), (328, 61617), (376, 53751), (437, 46248), (456, 44321), (492, 41078), (552, 36613), (564, 35834), (779, 25944), (874, 23124), (893, 22632), (943, 21432), (984, 20539), (1081, 18696), (1128, 17917), (1311, 15416), (1558, 12972), (1748, 11562), (1786, 11316), (1886, 10716), (1927, 10488), (2162, 9348), (2337, 8648), (2622, 7708), (2679, 7544), (2829, 7144), (3116, 6486), (3243, 6232), (3496, 5781), (3572, 5658), (3772, 5358), (3854, 5244), (4324, 4674)]