20011968296

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{761}}^1\times {\mathrm{1217}}^1$

素因数の和:2094

約数の個数: 64

約数和(自身を含む): 39147932880

約数和(自身を除く): 19135964584

約数列:

[1, 2, 4, 8, 37, 73, 74, 146, 148, 292, 296, 584, 761, 1217, 1522, 2434, 2701, 3044, 4868, 5402, 6088, 9736, 10804, 21608, 28157, 45029, 55553, 56314, 88841, 90058, 111106, 112628, 177682, 180116, 222212, 225256, 355364, 360232, 444424, 710728, 926137, 1852274, 2055461, 3287117, 3704548, 4110922, 6574234, 7409096, 8221844, 13148468, 16443688, 26296936, 34267069, 67608001, 68534138, 135216002, 137068276, 270432004, 274136552, 540864008, 2501496037, 5002992074, 10005984148, 20011968296]

約数ペア:

[(1, 20011968296), (2, 10005984148), (4, 5002992074), (8, 2501496037), (37, 540864008), (73, 274136552), (74, 270432004), (146, 137068276), (148, 135216002), (292, 68534138), (296, 67608001), (584, 34267069), (761, 26296936), (1217, 16443688), (1522, 13148468), (2434, 8221844), (2701, 7409096), (3044, 6574234), (4868, 4110922), (5402, 3704548), (6088, 3287117), (9736, 2055461), (10804, 1852274), (21608, 926137), (28157, 710728), (45029, 444424), (55553, 360232), (56314, 355364), (88841, 225256), (90058, 222212), (111106, 180116), (112628, 177682)]