20744304

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{577}}^1$

素因数の和:702

約数の個数: 80

約数和(自身を含む): 61924608

約数和(自身を除く): 41180304

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 107, 112, 168, 214, 321, 336, 428, 577, 642, 749, 856, 1154, 1284, 1498, 1712, 1731, 2247, 2308, 2568, 2996, 3462, 4039, 4494, 4616, 5136, 5992, 6924, 8078, 8988, 9232, 11984, 12117, 13848, 16156, 17976, 24234, 27696, 32312, 35952, 48468, 61739, 64624, 96936, 123478, 185217, 193872, 246956, 370434, 432173, 493912, 740868, 864346, 987824, 1296519, 1481736, 1728692, 2593038, 2963472, 3457384, 5186076, 6914768, 10372152, 20744304]

約数ペア:

[(1, 20744304), (2, 10372152), (3, 6914768), (4, 5186076), (6, 3457384), (7, 2963472), (8, 2593038), (12, 1728692), (14, 1481736), (16, 1296519), (21, 987824), (24, 864346), (28, 740868), (42, 493912), (48, 432173), (56, 370434), (84, 246956), (107, 193872), (112, 185217), (168, 123478), (214, 96936), (321, 64624), (336, 61739), (428, 48468), (577, 35952), (642, 32312), (749, 27696), (856, 24234), (1154, 17976), (1284, 16156), (1498, 13848), (1712, 12117), (1731, 11984), (2247, 9232), (2308, 8988), (2568, 8078), (2996, 6924), (3462, 5992), (4039, 5136), (4494, 4616)]