20085650830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:574

約数の個数: 128

約数和(自身を含む): 42687440640

約数和(自身を除く): 22601789810

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 101, 137, 178, 202, 233, 274, 445, 466, 505, 623, 685, 707, 890, 959, 1010, 1165, 1246, 1370, 1414, 1631, 1918, 2330, 3115, 3262, 3535, 4795, 6230, 7070, 8155, 8989, 9590, 12193, 13837, 16310, 17978, 20737, 23533, 24386, 27674, 31921, 41474, 44945, 47066, 60965, 62923, 63842, 69185, 85351, 89890, 96859, 103685, 117665, 121930, 125846, 138370, 145159, 159605, 164731, 170702, 193718, 207370, 223447, 235330, 290318, 314615, 319210, 329462, 426755, 446894, 484295, 629230, 725795, 823655, 853510, 968590, 1117235, 1231493, 1451590, 1647310, 2094437, 2234470, 2462986, 2840969, 3224021, 4188874, 5681938, 6157465, 6448042, 8620451, 10472185, 12314930, 14204845, 14661059, 16120105, 17240902, 19886783, 20944370, 22568147, 28409690, 29322118, 32240210, 39773566, 43102255, 45136294, 73305295, 86204510, 99433915, 112840735, 146610590, 198867830, 225681470, 286937869, 573875738, 1434689345, 2008565083, 2869378690, 4017130166, 10042825415, 20085650830]

約数ペア:

[(1, 20085650830), (2, 10042825415), (5, 4017130166), (7, 2869378690), (10, 2008565083), (14, 1434689345), (35, 573875738), (70, 286937869), (89, 225681470), (101, 198867830), (137, 146610590), (178, 112840735), (202, 99433915), (233, 86204510), (274, 73305295), (445, 45136294), (466, 43102255), (505, 39773566), (623, 32240210), (685, 29322118), (707, 28409690), (890, 22568147), (959, 20944370), (1010, 19886783), (1165, 17240902), (1246, 16120105), (1370, 14661059), (1414, 14204845), (1631, 12314930), (1918, 10472185), (2330, 8620451), (3115, 6448042), (3262, 6157465), (3535, 5681938), (4795, 4188874), (6230, 3224021), (7070, 2840969), (8155, 2462986), (8989, 2234470), (9590, 2094437), (12193, 1647310), (13837, 1451590), (16310, 1231493), (17978, 1117235), (20737, 968590), (23533, 853510), (24386, 823655), (27674, 725795), (31921, 629230), (41474, 484295), (44945, 446894), (47066, 426755), (60965, 329462), (62923, 319210), (63842, 314615), (69185, 290318), (85351, 235330), (89890, 223447), (96859, 207370), (103685, 193718), (117665, 170702), (121930, 164731), (125846, 159605), (138370, 145159)]