20111843180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{1811}}^1$

素因数の和:2208

約数の個数: 144

約数和(自身を含む): 50163799392

約数和(自身を除く): 30051956212

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 242, 260, 286, 353, 484, 572, 605, 706, 715, 1210, 1412, 1430, 1573, 1765, 1811, 2420, 2860, 3146, 3530, 3622, 3883, 4589, 6292, 7060, 7244, 7766, 7865, 9055, 9178, 15532, 15730, 18110, 18356, 19415, 19921, 22945, 23543, 31460, 36220, 38830, 39842, 42713, 45890, 47086, 50479, 77660, 79684, 85426, 91780, 94172, 99605, 100958, 117715, 170852, 199210, 201916, 213565, 219131, 235430, 252395, 258973, 398420, 427130, 438262, 470860, 504790, 517946, 555269, 639283, 854260, 876524, 1009580, 1035892, 1095655, 1110538, 1278566, 1294865, 2191310, 2221076, 2557132, 2589730, 2776345, 2848703, 3196415, 4382620, 5179460, 5552690, 5697406, 6392830, 7032113, 8310679, 11105380, 11394812, 12785660, 14064226, 14243515, 16621358, 28128452, 28487030, 33242716, 35160565, 41553395, 56974060, 70321130, 77353243, 83106790, 91417469, 140642260, 154706486, 166213580, 182834938, 309412972, 365669876, 386766215, 457087345, 773532430, 914174690, 1005592159, 1547064860, 1828349380, 2011184318, 4022368636, 5027960795, 10055921590, 20111843180]

約数ペア:

[(1, 20111843180), (2, 10055921590), (4, 5027960795), (5, 4022368636), (10, 2011184318), (11, 1828349380), (13, 1547064860), (20, 1005592159), (22, 914174690), (26, 773532430), (44, 457087345), (52, 386766215), (55, 365669876), (65, 309412972), (110, 182834938), (121, 166213580), (130, 154706486), (143, 140642260), (220, 91417469), (242, 83106790), (260, 77353243), (286, 70321130), (353, 56974060), (484, 41553395), (572, 35160565), (605, 33242716), (706, 28487030), (715, 28128452), (1210, 16621358), (1412, 14243515), (1430, 14064226), (1573, 12785660), (1765, 11394812), (1811, 11105380), (2420, 8310679), (2860, 7032113), (3146, 6392830), (3530, 5697406), (3622, 5552690), (3883, 5179460), (4589, 4382620), (6292, 3196415), (7060, 2848703), (7244, 2776345), (7766, 2589730), (7865, 2557132), (9055, 2221076), (9178, 2191310), (15532, 1294865), (15730, 1278566), (18110, 1110538), (18356, 1095655), (19415, 1035892), (19921, 1009580), (22945, 876524), (23543, 854260), (31460, 639283), (36220, 555269), (38830, 517946), (39842, 504790), (42713, 470860), (45890, 438262), (47086, 427130), (50479, 398420), (77660, 258973), (79684, 252395), (85426, 235430), (91780, 219131), (94172, 213565), (99605, 201916), (100958, 199210), (117715, 170852)]