20193566036

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{67}}^1\times {\mathrm{487}}^1$

素因数の和:650

約数の個数: 144

約数和(自身を含む): 44287100928

約数和(自身を除く): 24093534892

約数列:

[1, 2, 4, 7, 14, 23, 28, 31, 46, 62, 67, 92, 124, 134, 161, 217, 268, 322, 434, 469, 487, 644, 713, 868, 938, 961, 974, 1426, 1541, 1876, 1922, 1948, 2077, 2852, 3082, 3409, 3844, 4154, 4991, 6164, 6727, 6818, 8308, 9982, 10787, 11201, 13454, 13636, 14539, 15097, 19964, 21574, 22103, 22402, 26908, 29078, 30194, 32629, 43148, 44206, 44804, 47771, 58156, 60388, 64387, 65258, 78407, 88412, 95542, 105679, 128774, 130516, 154721, 156814, 191084, 211358, 228403, 257548, 309442, 313628, 334397, 347231, 422716, 450709, 456806, 468007, 618884, 668794, 694462, 750467, 901418, 913612, 936014, 1011499, 1337588, 1388924, 1480901, 1500934, 1802836, 1872028, 2022998, 2430617, 2961802, 3001868, 3276049, 4045996, 4861234, 5253269, 5923604, 6552098, 7080493, 9722468, 10366307, 10506538, 10764161, 13104196, 14160986, 20732614, 21013076, 21528322, 23264477, 28321972, 31356469, 41465228, 43056644, 46528954, 62712938, 75349127, 93057908, 125425876, 150698254, 162851339, 219495283, 301396508, 325702678, 438990566, 651405356, 721198787, 877981132, 1442397574, 2884795148, 5048391509, 10096783018, 20193566036]

約数ペア:

[(1, 20193566036), (2, 10096783018), (4, 5048391509), (7, 2884795148), (14, 1442397574), (23, 877981132), (28, 721198787), (31, 651405356), (46, 438990566), (62, 325702678), (67, 301396508), (92, 219495283), (124, 162851339), (134, 150698254), (161, 125425876), (217, 93057908), (268, 75349127), (322, 62712938), (434, 46528954), (469, 43056644), (487, 41465228), (644, 31356469), (713, 28321972), (868, 23264477), (938, 21528322), (961, 21013076), (974, 20732614), (1426, 14160986), (1541, 13104196), (1876, 10764161), (1922, 10506538), (1948, 10366307), (2077, 9722468), (2852, 7080493), (3082, 6552098), (3409, 5923604), (3844, 5253269), (4154, 4861234), (4991, 4045996), (6164, 3276049), (6727, 3001868), (6818, 2961802), (8308, 2430617), (9982, 2022998), (10787, 1872028), (11201, 1802836), (13454, 1500934), (13636, 1480901), (14539, 1388924), (15097, 1337588), (19964, 1011499), (21574, 936014), (22103, 913612), (22402, 901418), (26908, 750467), (29078, 694462), (30194, 668794), (32629, 618884), (43148, 468007), (44206, 456806), (44804, 450709), (47771, 422716), (58156, 347231), (60388, 334397), (64387, 313628), (65258, 309442), (78407, 257548), (88412, 228403), (95542, 211358), (105679, 191084), (128774, 156814), (130516, 154721)]