20178086512

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1\times {\mathrm{599}}^1$

素因数の和:1022

約数の個数: 80

約数和(自身を含む): 40168857600

約数和(自身を除く): 19990771088

約数列:

[1, 2, 4, 8, 16, 73, 146, 151, 191, 292, 302, 382, 584, 599, 604, 764, 1168, 1198, 1208, 1528, 2396, 2416, 3056, 4792, 9584, 11023, 13943, 22046, 27886, 28841, 43727, 44092, 55772, 57682, 87454, 88184, 90449, 111544, 114409, 115364, 174908, 176368, 180898, 223088, 228818, 230728, 349816, 361796, 457636, 461456, 699632, 723592, 915272, 1447184, 1830544, 2105393, 4210786, 6602777, 8351857, 8421572, 13205554, 16703714, 16843144, 17275759, 26411108, 33407428, 33686288, 34551518, 52822216, 66814856, 69103036, 105644432, 133629712, 138206072, 276412144, 1261130407, 2522260814, 5044521628, 10089043256, 20178086512]

約数ペア:

[(1, 20178086512), (2, 10089043256), (4, 5044521628), (8, 2522260814), (16, 1261130407), (73, 276412144), (146, 138206072), (151, 133629712), (191, 105644432), (292, 69103036), (302, 66814856), (382, 52822216), (584, 34551518), (599, 33686288), (604, 33407428), (764, 26411108), (1168, 17275759), (1198, 16843144), (1208, 16703714), (1528, 13205554), (2396, 8421572), (2416, 8351857), (3056, 6602777), (4792, 4210786), (9584, 2105393), (11023, 1830544), (13943, 1447184), (22046, 915272), (27886, 723592), (28841, 699632), (43727, 461456), (44092, 457636), (55772, 361796), (57682, 349816), (87454, 230728), (88184, 228818), (90449, 223088), (111544, 180898), (114409, 176368), (115364, 174908)]