20904624

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^2\times {\mathrm{859}}^1$

素因数の和:899

約数の個数: 90

約数和(自身を含む): 63424140

約数和(自身を除く): 42519516

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 169, 208, 234, 312, 338, 468, 507, 624, 676, 859, 936, 1014, 1352, 1521, 1718, 1872, 2028, 2577, 2704, 3042, 3436, 4056, 5154, 6084, 6872, 7731, 8112, 10308, 11167, 12168, 13744, 15462, 20616, 22334, 24336, 30924, 33501, 41232, 44668, 61848, 67002, 89336, 100503, 123696, 134004, 145171, 178672, 201006, 268008, 290342, 402012, 435513, 536016, 580684, 804024, 871026, 1161368, 1306539, 1608048, 1742052, 2322736, 2613078, 3484104, 5226156, 6968208, 10452312, 20904624]

約数ペア:

[(1, 20904624), (2, 10452312), (3, 6968208), (4, 5226156), (6, 3484104), (8, 2613078), (9, 2322736), (12, 1742052), (13, 1608048), (16, 1306539), (18, 1161368), (24, 871026), (26, 804024), (36, 580684), (39, 536016), (48, 435513), (52, 402012), (72, 290342), (78, 268008), (104, 201006), (117, 178672), (144, 145171), (156, 134004), (169, 123696), (208, 100503), (234, 89336), (312, 67002), (338, 61848), (468, 44668), (507, 41232), (624, 33501), (676, 30924), (859, 24336), (936, 22334), (1014, 20616), (1352, 15462), (1521, 13744), (1718, 12168), (1872, 11167), (2028, 10308), (2577, 8112), (2704, 7731), (3042, 6872), (3436, 6084), (4056, 5154)]