20124418864

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{719}}^1\times {\mathrm{1459}}^1$

素因数の和:2306

約数の個数: 80

約数和(自身を含む): 43015104000

約数和(自身を除く): 22890685136

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 109, 176, 218, 436, 719, 872, 1199, 1438, 1459, 1744, 2398, 2876, 2918, 4796, 5752, 5836, 7909, 9592, 11504, 11672, 15818, 16049, 19184, 23344, 31636, 32098, 63272, 64196, 78371, 126544, 128392, 156742, 159031, 256784, 313484, 318062, 626968, 636124, 862081, 1049021, 1253936, 1272248, 1724162, 1749341, 2098042, 2544496, 3448324, 3498682, 4196084, 6896648, 6997364, 8392168, 11539231, 13793296, 13994728, 16784336, 23078462, 27989456, 46156924, 92313848, 114343289, 184627696, 228686578, 457373156, 914746312, 1257776179, 1829492624, 2515552358, 5031104716, 10062209432, 20124418864]

約数ペア:

[(1, 20124418864), (2, 10062209432), (4, 5031104716), (8, 2515552358), (11, 1829492624), (16, 1257776179), (22, 914746312), (44, 457373156), (88, 228686578), (109, 184627696), (176, 114343289), (218, 92313848), (436, 46156924), (719, 27989456), (872, 23078462), (1199, 16784336), (1438, 13994728), (1459, 13793296), (1744, 11539231), (2398, 8392168), (2876, 6997364), (2918, 6896648), (4796, 4196084), (5752, 3498682), (5836, 3448324), (7909, 2544496), (9592, 2098042), (11504, 1749341), (11672, 1724162), (15818, 1272248), (16049, 1253936), (19184, 1049021), (23344, 862081), (31636, 636124), (32098, 626968), (63272, 318062), (64196, 313484), (78371, 256784), (126544, 159031), (128392, 156742)]